Q12 of 92 Page 317

Find the derivative of the following functions (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

(ax + b)n

Let f(x) = (ax + b)n


By first principle



=


=


=


∴ f’(x) = na (ax + b)n-1


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