What is the integral from 1 to e^2 of (ln(x^2))/x ?

The integral from 1 to e^2 of (ln(x^2))/x is 4

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integral from 1 to e^2 of (ln(x^2))/x

\int_{1}^{e^{2}} \frac{ln ( x ^{2} )}{x} d x

4

Solution steps

\int_{1}^{e^{2}} \frac{ln ( x ^{2} )}{x} d x

Apply u-substitution

: \int_{1}^{e^{4}} \frac{ln ( u )}{2 u} d u

= \int_{1}^{e^{4}} \frac{ln ( u )}{2 u} d u

Take the constant out:

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

= \frac{1}{2} \cdot \int_{1}^{e^{4}} \frac{ln ( u )}{u} d u

Apply u-substitution

: \int_{0}^{4} v d v

= \frac{1}{2} \cdot \int_{0}^{4} v d v

Apply the Power Rule

: [\frac{v ^{2}}{2}]_{0}^{4}

= \frac{1}{2} [\frac{v ^{2}}{2}]_{0}^{4}

Compute the boundaries:

8

= \frac{1}{2} \cdot 8

Simplify

= 4

\int_{0}^{5} 75 - 3 x^{2} d x

\int_{1}^{10} x^{2} \cdot \frac{2}{81} (x - 1) d x

\int_{0}^{- 2} 3 d x

\int_{0}^{4} (2 - x) d x

\int_{e}^{e^{2}} \frac{1}{x ( ln ( x ^{2} ) )} d x

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