Question

find the derivation of:

f(x) = x^3 + sin x ​

Answer 1

Answer:

3x² + cosx

Explanation:

⇒ d(x³ + sinx)/dx

⇒ d(x³)/dx  + d(sinx)/dx

⇒  3x³⁻¹  + cosx

⇒ 3x² + cosx

   Identities Used:

d(xⁿ)/dx = nxⁿ⁻¹

d(sinx)/dx = cosx