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Question : 63 of 160
Marks:
+1,
-0
Solution:
Let‌y=f(x)= ⇒log‌y=log[] ⇒log‌y=2‌log(x+1)+‌log(x−1) −3‌log(x+4)−x On differentiating both sides
w.r.t.x,
=+−−1 ⇒=f(x)[+−−1] ⇒f(x)= ∴f(5)==
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