What is the integral from 2 to 3 of 1-4/(x^2) ?

The integral from 2 to 3 of 1-4/(x^2) is 1/3

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integral from 2 to 3 of 1-4/(x^2)

\int_{2}^{3} 1 - \frac{4}{x ^{2}} d x

\frac{1}{3}

Decimal Notation

0.33333 \dots

Solution steps

\int_{2}^{3} 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_{2}^{3} 1 d x - \int_{2}^{3} \frac{4}{x ^{2}} d x

\int_{2}^{3} 1 d x = 1

\int_{2}^{3} \frac{4}{x ^{2}} d x = \frac{2}{3}

= 1 - \frac{2}{3}

Simplify

1 - \frac{2}{3} : \frac{1}{3}

= \frac{1}{3}

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What is the integral from 2 to 3 of 1-4/(x^2) ?
The integral from 2 to 3 of 1-4/(x^2) is 1/3