NCERT Class XI Mathematics - Limits and Derivatives - Solutions
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Question : 38
Total: 72
Find the derivative of x n + a x n − 1 + a 2 x n − 2 a n − 1 x + a n
Solution:
Let f (x) = x n + a x n − 1 + a 2 x n − 2 a n − 1 x + a n
Differentiating (i) with respect to x, we get
f' (x) =n x n − 1 + ( n − 1 ) a x n − 2 a n − 1
Differentiating (i) with respect to x, we get
f' (x) =
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