What is the integral from 2 to 10 of 4/x ?

The integral from 2 to 10 of 4/x is 4ln(5)

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integral from 2 to 10 of 4/x

\int_{2}^{10} \frac{4}{x} d x

4 ln (5)

Decimal

6.43775 \dots

Solution steps

\int_{2}^{10} \frac{4}{x} d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 4 \cdot \int_{2}^{10} \frac{1}{x} d x

Use the common integral:

\int \frac{1}{x} d x = ln (∣ x ∣)

= 4 [ln ∣ x ∣]_{2}^{10}

Compute the boundaries:

ln (10) - ln (2)

= 4 (ln (10) - ln (2))

Simplify

= 4 ln (5)

\int_{- 4}^{2} ∣ x ∣ d x

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

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

\int_{0}^{π} \frac{9 - sin ( 4 x )}{4} d x

\int_{- π}^{π} x + π d x

What is the integral from 2 to 10 of 4/x ?
The integral from 2 to 10 of 4/x is 4ln(5)