-1 y^2 dy is: 1. 1 y 2. 1 - y 3. y 4. 1 + y - Vidyadip

Question

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

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

✓

Answer

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

Solution:

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

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

$=\text{y}^{-1}=\frac{1}{\text{y}}$

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