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CBSE Class 12 Math 2023 Delhi Set 1 Solved Paper

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Question : 27
Total: 38
(a) Differentiate sec−1(‌
1
√1−x2
) w.r.t. sin‌−1(2x√1−x2).
OR
(b) If y=tan‌x+ secx, then prove that ‌
d2y
dx2
=‌
cos‌x
(1−sin‌x)2
.
Solution:     👈: Video Solution
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