Question

Choose the correct alternative:

If y = `1/4 u^4`, u = `2/3 x^3 + 5`, then `("d"y)/("d"x)` is 

Options

• `1/27 x^2 (2x^3 + 15)^3`

• `2/27 x(2x^3 + 5)^3`

• `2/27 x^2(2x^3 + 15)^3`

• `- 2/27 x(2x^3 + 5)^3`

Answer 1

`2/27 x^2(2x^3 + 15)^3`