-1 y^2 dy is : - Vidyadip

MCQ

$\int\frac{-1}{\text{y}^2}\text{dy}$ is :

✓
$\frac{1}{\text{y}}$
B
$1 - y$
C
$y$
D
$1 + y$

✓

Answer

Correct option: A.

$\frac{1}{\text{y}}$

$\int\frac{-1}{{\text{y}}^2}\text{dy}$
$=-\int\text{y}^{-2}\text{dy}$
$=\text{y}^{-1}=\frac{1}{\text{y}}$

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