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int (2x -3 cos x+ e^(x))dx...

`int (2x -3 cos x+ e^(x))dx`

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`int (2x -3 cos x+ e^(x))dx`
`=2 int x dx -3 int cos x dx + int e^(x) dx`
`=2 (x^(2))/(2)- 3 sin x+e^(x) +c`
` =x^(2) -3 sin x+ e^(x)+c`
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