Prove that the function defined by
l is discontinuous,
, using the sequential definition of continuity.
Let :[-3,3]→ R be defined by where [x] denotes the greatest integer ≤x. Show that this function is integrable.
Show that there is no real number, & for which the equation, has two distinct roots in the interval [2,3].
Using the principle of mathematical induction, prove that is natural numbuer.
Examine the function f : R→R defined by
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
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.
See Answer →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 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 by
is irrational Is integrable in the interval [2,3].
See Answer →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।
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।
See Answer →समीकरण p2 +q2-2px-2qy+1 = 0 का पूर्ण समाकल ज्ञात कीजिए।
See Answer →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।
See Answer →पृष्ठ-कुल का अवकल समीकरण ज्ञात कीजिए। इस आंशिक अवकल समीकरण की कोटि क्या है?
प्राचल विचरण विधि से समीकरण हल कीजिए। को
हल कीजिए :
हल कीजिए: