Question

find dy
dy y = (x²-1) (x² - 2x + 1)​

Answer 1

Step-by-step explanation:

y= x²+1/x²

Diff. with respect to 'x’

dy/dx= 2x-2x^(–2–1)

=2x-2x^(–3)= 2x-2/x³=2{x-(1/x³)}