Question

Question 3 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): (px+q) (r/x + s)

Class XI - Limits and Derivatives Page 317

Answer 1

refer to the attachment.
apply division rule directly .
we know d/dx(c) =0 where c is constant .

Answer 2

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