Question

Choose the correct alternative:

If x = at², y = 2at, then `("d"^2y)/("d"x^2)` = ?

Options

• `1/("at"^3)`

• `(-1)/(2"at"^3)`

• `(-1)/("at"^2)`

• `1/("at"^2)`

Answer 1

`(-1)/(2"at"^3)`