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Popular >

integral of 1-4/(x^2)

Solution

\int 1 - \frac{4}{x ^{2}} d x

Solution

x + \frac{4}{x} + C

Solution steps

\int 1 - \frac{4}{x ^{2}} d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int 1 d x - \int \frac{4}{x ^{2}} d x

\int 1 d x = x

\int \frac{4}{x ^{2}} d x = - \frac{4}{x}

= x - (- \frac{4}{x})

Simplify

= x + \frac{4}{x}

Add a constant to the solution

= x + \frac{4}{x} + C

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\int - 4 cos (x) sin (x) d x

Frequently Asked Questions (FAQ)

What is the integral of 1-4/(x^2) ?
The integral of 1-4/(x^2) is x+4/x+C