Question

What is the derivative of x⁸?

Options

• 8x⁹

• x⁷

• 8x⁷

• 9x⁸

Answer 1

8x⁷

Explanation:

Using the power rule \[\frac {d}{dx}\](xⁿ) = nxⁿ⁻¹, the derivative of x⁸ is 8x⁸⁻¹ = 8x⁷.