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

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

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

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

2 e^{2} - 2

Decimal

12.77811 \dots

Solution steps

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

Apply Integration By Parts

: [x ln^{2} (x) - \int 2 ln (x) d x]_{1}^{e^{2}}

= [x ln^{2} (x) - \int 2 ln (x) d x]_{1}^{e^{2}}

\int 2 ln (x) d x = 2 (x ln (x) - x)

= [x ln^{2} (x) - 2 (x ln (x) - x)]_{1}^{e^{2}}

Compute the boundaries:

2 e^{2} - 2

= 2 e^{2} - 2

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