Question

y=(x²-1)(x+2).then dy/dx=?​

Answer 1

$\bold{ANSWER≈}$

y=x²+1/x² , differentiating w.r.t. x

dy/dx = d/dx(x^2 + 1/x^2)

dy/dx = d/dx(x^2) + d/dx(x^-2)

dy/dx = 2x - 2x^(-2–1)

=> dy/dx= 2x - 2/x^3