(a) Find the value of {\k} for which the function {\f} ...

CBSE Class 12 Math 2023 Delhi Set 3 Solved Paper

SECTION - B

This section comprises of Very Short Answer (VSA) type questions of 2 marks each.

Question : 7

Total: 12

(a) Find the value of k for which the function f given as
f(x)={

‌

1−cos‌x

2x2

‌ if ‌x≠0

,‌‌ if ‌x=0

.
is continuous at x=0.
OR
(b) If x=a‌cos‌t and y=bsin‌t, then find ‌

d2y

dx2

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