AP EAMCET2013MathematicsIndefinite Integration
e^x ( 2+ 2 x 1+ 2 x ) d x is equal to
Options
- Ae^x x+C
- B2 e^x ^2 x+C
- Ce^x 2 x+C
- De^x x+C
Correct answer
D. e^x x+C
Step-by-step solution
Let aligned I & = e^x ( 2+ 2 x 1+ 2 x ) d x & = e^x 2 1+ 2 x + 2 x 1+ 2 x d x & = e^x 2 2 ^2 x + 2 x x 2 ^2 x d x & = e^x ( ^2 x+ x ) d x & = e^x ^2 x d x+ e^x x d x & =e^x x- e^x x d x+ e^x x d x & =e^x x+C aligned