How do you evaluate the definite integral $int 2x dx$ from [0,1]?

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Answer 1 · 2016-11-23T16:50:14

$=1$

First let us find the indefinite integral $int2xdx$ :
$" "$
$int2xdx = x^2+C$
$" "$
$int_0^1 2xdx=(1)^2-(0)^2=1-0=1$

How do you evaluate the definite integral int 2x dxint 2x dx from [0,1]?