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Question : 144 of 160
Marks:
+1,
-0
Solution:
‌‌ Given, ‌y=log{(‌)1∕4}−‌tan−1x‌⇒‌‌y=‌tanh−1x−‌tan−1xOn differentiating w.r. t.
x, we get
‌‌=‌(‌)−‌(‌)‌=‌(‌)‌=‌(‌)‌=‌
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