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MTE 7: Advanced Calculus

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Title Name IGNOU MTE 7 SOLVED ASSIGNMENT
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSC
Course Name Bachelor in Science
Subject Code MTE 7
Subject Name Advanced Calculus
Year 2026
Session -
Language English Medium
Assignment Code MTE 7/Assignment-1/2026
Product Description Assignment of BSC (Bachelor in Science) 2026. Latest MTE 07 2026 Solved Assignment Solutions
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MTE 7 2025 - English

Course Code: MTE-07

Assignment Code: MTE-07/TMA/2025

Maximum Marks: 100

1. State whether the following statements are true or false. Give reasons for your answers.

(i) equation

(ii) A real-valued function of three variables which is continuous everywhere is differentiable.

(iii) The function equation , defined by F(x, y) = ( y + ,2 x + y) at any (x, y) ∈ equation

(iv) equation ,defined by

equation

is integrable.

(v) The function equation defined by equation has an extremum at (0,0).

2) (a) Find the following limits:

(i)  equation

(ii)  equation

(b) Find the third Taylor polynomial of the function f (x,y) = 1 + 5xy + 32y at (1,2).

(c) Using only the definitions, find fxy(0,0) and fxy (,0,0) if they exists, for the function

equation

3) (a) Let the function f be defined by

equation

Show that f has directional derivatives in all directions at (0,0).

(b) Let x er = cosθ, y = esin θ and f be a continuously differentiable function of x and y, whose partial derivatives are also continuously differentiable. Show that

equation

(c) Let equation be three points in . equation Find equation

4. (a) Find the centre of gravity of a thin sheet with density δ(x, y) = y, bounded by the curves y = 4x2 and x = 4.

(b) Find the mass of the solid bounded by z =1 and , z = x2 + y2 the density function being δ (z,y,x) = | x | .

5. (a) State Green’s theorem, and apply it to evaluate

equation

Where C is the ellipse equation

(b) Find the extreme values of the function

equation  on the surface equation

6. (a) State a necessary condition for the functional dependence of two differentiable functions f and g on an open subset D of . equation Verify this theorem for the functions f and g, defined by

equation

(b) Using the Implicit Function Theorem, show that there exists a unique differentiable function g in a neighbourhood of 1 such that g (1) = 2 and F(g( y), y) = 0 in a neighbourhood of (1,2), where

equation

defines the function F. Also find g′( y).

(c) Check the local inevitability of the function f defined by f(x,y) =(x2-y2,2xy) at (1,1) Find a domain for the function f in which f is invertible.

7. (a) Check the continuity and differentiability of the function at (0,0) where

equation

(b) Find the domain and range of the function f , defined by equation Also find two level curves of this function. Give a rough sketch of them.

8. (a) Evaluate equation where C is the curve given by

equation

(b) Use double integration of find the volume of the ellipsoid

equation

9. (a) Find the values of a and b, if

equation

(b) Suppose S and C are subsets of  equation .  S is the unit open sphere with centre at the origin and C is the open cube = equation

Which of the following is true. Justify your answer.

(i) S ⊂ C

(ii) C ⊂ S

(c) Identify the level curves of the following functions:

(i)  equation

(ii)  equation

(iii)   x − y

(iv) y / x

10. (a) Does the function

equation  satisfy the requirement of Schwarz’s theorem at (1,1) ? Justify your answer.

(b) Locate and classify the stationary points of the following:

equation

equation


MTE 7 2026 - English

ASSIGNMENT

Course Code: MTE-07

Assignment Code: MTE-07/TMA/2026

Maximum Marks: 100

1. State whether the following statements are true or false. Give reasons for your answers.

(i) equation

(ii) A real-valued function of three variables which is continuous everywhere is differentiable.

(iii) The function equation, defined by equation, is locally invertible at any equation.

(iv) equation, defined by
equation
is integrable.

(v) The function equation, defined by equation, has an extremum at (0, 0).

2) (a) Find the following limits:

equation (i) equation

equation (ii) equation

equation (b) Find the third Taylor polynomial of the function equation at (1, 2).

equation (c) Using only the definitions, find fxy(0, 0) and fyx(0, 0), if they exists, for the function


equation

3) (a) Let the function f be defined by
equation

equation Show that f has directional derivatives in all directions at (0, 0).

 

(b) Let equation, equation and f be a continuously differentiable function of x and y, whose partial derivatives are also continuously differentiable. Show that


equation

(c) Let equation, equation, equation be three points in equation

Find |2b - a + 3c|.

4. (a) Find the centre of gravity of a thin sheet with density equation, bounded by the curves equation and equation.

(b) Find the mass of the solid bounded by equation and equation, the density function being equation.

5. (a) State Green's theorem, and apply it to evaluate


equation

Where C is the ellipse equation.

(b) Find the extreme values of the function


equation on the surface equation.

6. (a) State a necessary condition for the functional dependence of two differentiable functions f and g on an open subset D of equation. Verify this theorem for the functions f and g, defined by


equation

(b) Using the Implicit Function Theorem, show that there exists a unique differentiable function g in a neighbourhood of 1 such that equation and equation in a neighbourhood of (2, 1), where


equation

defines the function F. Also find g'(y).

(c) Check the local invertibility of the function f defined by equation at (1, -1). Find a domain for the function f in which f is invertible.

7. (a) Check the continuity and differentiability of the function at (0, 0) where


equation

(b) Find the domain and range of the function f, defined by equation. Also find two level curves of this function. Give a rough sketch of them.

8. (a) Evaluate equation, where C is the curve given by


equation.

(b) Use double integration of find the volume of the ellipsoid


equation.

9. (a) Find the values of a and b, if


equation

(b) Suppose S and C are subsets of equation. S is the unit open sphere with centre at the origin and C is the open cube

equation.

Which of the following is true. Justify your answer.

(i) equation

(ii) equation

(c) Identify the level curves of the following functions:

equation (i) equation

equation (ii) equation

equation (iii) x - y

equation (iv) y / x

10. (a) Does the function


equation

satisfy the requirement of Schwarz's theorem at (1, 1)? Justify your answer.

equation (b) Locate and classify the stationary points of the following:

equation (i) equation

equation (ii) equation

 


MTE 7 2025 - Hindi

सत्रीय कार्य

पाठ्यक्रम कोड: एम टी इ-07

सत्रीय कार्य कोड: एम टी इ-07/ टी एम ए/2025

अधिकतम अंकः 100

1. बताइए निम्नलिखित कथन सत्य हैं या असत्य। अपने उत्तरों के कारण बताइए।

(i) equation

(ii) तीन घरों वाला एक वास्तविक मान फलन, जो सर्वत्र संतत है, अवकलनीय होता है।

(iii)F(x, y) = ( y + ,2 x + y) से परिभाषित फलन equation किसी भी बिन्दु (x, y) ∈R2पर स्थानिकतः व्युत्क्रमणीय होता है।

(iv) equation   है फ(एक्स,य)= 10, यदि वाइ परिमेय नहीं है. से परिभाषित फलन  equation समाकलनीय होता है।

(v) equation से परिभाषित फलन equation का  (0,0)पर एक चरम मान होता है।

2. (क) निम्नलिखित सीमा ज्ञात कीजिए:

(i)  equation

(ii)   equation

(ख) बिन्दु (1,2) पर फलन equationका तृतीय टेलर बहुपद ज्ञात कीजिए।

(ग) केवल परिभाषाओं को लागू करके fxy (0,0) और fyx, (0,0) ज्ञात कीजिए, जबकि फलन equation अन्यथा

के लिए इनका अस्तित्य होता हो।

3) (क) मान लीजिए

 

equation दिखाइए कि (0,0) पर सभी दिशाओं में ई दिक् अवकलज होते हैं।

(ख) मान लीजिए

equation और f xऔर yका एक संततः अवकलनीय फलन है जिसके आंशिक अवकलज भी संततः अवकलनीय हैं। दिखाइए कि equation

(ग) माग जीजिए equationके तीन बिन्दु हैं। 126-a+31 ज्ञात कीजिए। 

4 (क) वक्रो   y = 4x2  और 4 से पसिद्ध और equation (x, y) के गात वाजे एक पतली सीट का गुरुत्व केन्द्र ज्ञात कीजिए। (5)

(ख) z=1 और z=x+y2 से पषिद्ध ठोस घनाकृति का इमान ज्ञात कीजिए जबकि धनन्त्तव  equationहौ 

5. (क) ग्रीन  प्रमेय का कथनदीजिए और इसकी सहायता से

equation मान निकालिए  जहाँ सी. दीर्घवृत equation है।

(ख) पृष्ठ equation पर फलन equation के चरम माग ज्ञात कीजिए।

6 (क) R2 के एक वितृत उपसमुचय D पर दो अवकलनीय फलनों  F और g है की फजनक आश्रितता का आरक प्रतिबंध बताने वाले प्रमेय का कब दीजिए। निम्नलिखित फलनों f तथा g परिभाषित इस प्रमेय को सत्यापित कीजिए। 

equation

(ख) अस्पष्ट फल प्रमेय की सहायता सेवा दिखाइए कि 1 के प्रति में एक ऐसा वीयफजन होता है, जिससे कि (2,1) के प्रतिवेश में g(1)= 2 और equation जह equation परिभाषित है।g' (y) भी ज्ञात  कीजिए।

(ग) equation द्वारा परिभाषित फलन f की। (1-1) के पर स्थानीय की लिए जाँच  कीजिए   फलन f के लिए  एक  प्रांत ज्ञात कीजिए  जिसमें f व्युक्रमणीयता  है।

7. (क) (0.0) पर निम्नलिखित फलन f के सांतत्य और अवकलनीयता की जाँच कीजिए, जहाँ

equation

8.(क) equation के मान निकालिए, जहाँ equation से प्राप्त वक्र है।

(ख) दितः समाकलन का प्रयोग करके दीर्घवृज

equationका आयतन ज्ञात कीजिए। 

(क) यदिequation  तो a और b मान ज्ञात कीजिए। (5)

(ख) मान लीजिए कि S और C R3के उपसमुच्चय हैं। ऍस मूल-बिन्दु पर केन्द्र वाला एकक विवृत तथा क विवृत घन =equation

निम्नलिखित में से कौनसा कथन सत्य है? अपने उत्तर की पुष्टि कीजिए।

(i) S ⊂ C

(ii)C ⊂ S

(c) निम्नलिखित फलनों के स्तर वक्र ज्ञात कीजिए:

(i)equation

(ii) equation

(iii) x − y

(iv) y / x

10. (क) क्या निम्नलिखित फलन equation श्वार्ज-प्रमेय आवश्यकताओं को पर संतुष्ट करता है? अपने उत्तर की पुष्टि कीजिए। 

((ख) निम्नलिखित के स्तब्ध बिन्दु निर्धारित करके उनका वर्गीकरण कीजिए :

equation

equation

 

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