What is the integral from 0.3 to 1.2 of e^{-0.3^2} ?

The integral from 0.3 to 1.2 of e^{-0.3^2} is 0.82253…

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integral from 0.3 to 1.2 of e^{-0.3^2}

\int_{0.3}^{1.2} e^{- 0. 3^{2}} d x

0.82253 \dots

Solution steps

\int_{0.3}^{1.2} e^{- 0. 3^{2}} d x

Integral of a constant:

\int a d x = a x

= [e^{- 0. 3^{2}} x]_{0.3}^{1.2}

Simplify

= [0.91393 \dots x]_{0.3}^{1.2}

Compute the boundaries:

0.82253 \dots

= 0.82253 \dots

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What is the integral from 0.3 to 1.2 of e^{-0.3^2} ?
The integral from 0.3 to 1.2 of e^{-0.3^2} is 0.82253…