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

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

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

\int_{1}^{\infty} x \frac{3}{x ^{4}} d x

\frac{3}{2}

Decimal

1.5

Solution steps

\int_{1}^{\infty} x \frac{3}{x ^{4}} d x

Compute the indefinite integral:

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

Compute the boundaries:

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

= 0 - (- \frac{3}{2})

Simplify

= \frac{3}{2}

\int_{0}^{1} \frac{1}{x + x ^{2}} d x

\int_{0}^{2} - x^{2} + x d x

\int_{1}^{4} ln (x) d x

\int_{0}^{20} x^{2} - 14 x + 70 d x

\int_{0}^{2} 4 e^{x} d x

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