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

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

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integral from 2 to 4 of 2/x

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

2 ln (2)

Decimal Notation

1.38629 \dots

Solution steps

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

Take the constant out:

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

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

Use the common integral:

\int \frac{1}{x} d x = ln (∣ x ∣)

= 2 [ln ∣ x ∣]_{2}^{4}

Compute the boundaries:

ln (2)

= 2 ln (2)

\int_{- 1}^{1} ∣ x - 2 ∣ d x

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\int_{1}^{3} \frac{7}{x} d x

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