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

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

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

\int_{1}^{\infty} \frac{1}{2 x ^{3}} d x

\frac{1}{4}

Decimal Notation

0.25

Solution steps

\int_{1}^{\infty} \frac{1}{2 x ^{3}} d x

Compute the indefinite integral:

\int \frac{1}{2 x ^{3}} d x = - \frac{1}{4 x ^{2}} + C

Compute the boundaries:

\int_{1}^{\infty} \frac{1}{2 x ^{3}} d x = 0 - (- \frac{1}{4})

= 0 - (- \frac{1}{4})

Simplify

= \frac{1}{4}

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