Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Prove that the function equation defined by

equationl is discontinuous, equation, using the sequential definition of continuity.

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Question:

Let :[-3,3]→ R be defined by equationwhere [x] denotes the greatest integer ≤x. Show that this function is integrable.

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Question:

Show that there is no real number, & for which the equation,equation  has two distinct roots in the interval [2,3].

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Question:

Using the principle of mathematical induction, prove that  equation is natural numbuer.equation

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Question:

Examine the function f : R→R defined by

equation

for continuity on R. If it is not continuous at any point of R, find the nature of discontinuity there. (x+1)x+0 9-59-1

Find lim equation

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Question:

Prove that the union of two closed sets is a closed set. Give an example to show that union of an infinite number of closed sets need not be a closed set.

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Question:

Are the following statements true or false? Give reasons for tour answers.

a) -2 is a limit point of the interval 1-3,2].

b) The series equation is divergent.

The function, f(x)=sin² x is uniformly continuous in the interval [0, π).

d) Every continuous function is differentiable.

e) The function f defined on R byequation 

is irrational Is integrable in the interval [2,3].

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Question:

हल कीजिए :

equation

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Question:

जैकोबी विधि से समीकरण

equation

का पूर्ण समाकल ज्ञात कीजिए।

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Question:

शून्य प्रारंभिक विक्षेपण के संगत एकक लंबाई वाली कंपायमान डोरी के नियत सिरे का विक्षेपण ज्ञात कीजिए जहां, नीचे दिया गया u(x) प्रारंभिक वेग है।

equation

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Question:

सदिश a =i+j+k की दिशा में Po (1, 1, 1) पर f(x, y, z) = x2 + 2y2 +3z2 के दिक्-अवकलज ज्ञात कीजिए।

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Question:

निम्नलिखित अवकल समीकरण को हल कीजिए।

equation   जहां   equation

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Question:

समीकरण p2 +q2-2px-2qy+1 = 0 का पूर्ण समाकल ज्ञात कीजिए।

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Question:

रैखिक आंशिक अवकल समीकरण x(y2 + z)p-y(x2 + z)q = (x2- y2) z का वह समाकल पृष्ठ ज्ञात कीजिए जिसमें सरल रेखा x + y = 0, z = 1 आविष्ट हो।

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Question:

पृष्ठ-कुल  equation  का अवकल समीकरण ज्ञात कीजिए। इस आंशिक अवकल समीकरण की कोटि क्या है?

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Question:

सत्यापित कीजिए कि समीकरण

equation

समाकलनीय है और इसका पूर्वग ज्ञात कीजिए।

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Question:

प्राचल विचरण विधि से समीकरण  equation  हल कीजिए। को

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Question:

हल कीजिए : equation

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Question:

हल कीजिए:   equation

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Question:

आंशिक अवकल समीकरण

equation

को हल कीजिए।

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