If y = log x then y2 = (a) \(\frac{1}{x}\)(b) \(-\frac{1}{x^2}\)(c)

1.	If y = log x then y2 = (a) \(\frac{1}{x}\)(b) \(-\frac{1}{x^2}\)(c) \(-\frac{2}{x^2}\)(d) e2
Answer» (b) \(-\frac{1}{x^2}\) y = log x ∴ y₁ = \(\frac{1}{x}\) ∴ y₂ = \(\frac{-1}{x^2}\)

If y = log x then y2 = (a) \(\frac{1}{x}\)(b) \(-\frac{1}{x^2}\)(c) \(-\frac{2}{x^2}\)(d) e2

Answer»

(b) \(-\frac{1}{x^2}\)

y = log x

∴ y₁ = \(\frac{1}{x}\)

∴ y₂ = \(\frac{-1}{x^2}\)