Question

Is my answer right? Integration.
I keep getting 5.935 but WolframAlpha gets 6.935
Problem is definite integral of x +sinx from 0 to pi. See attached for my work.

Answer 1

You forgot to evaluate at 0 and take that away from the evaluation at pi. Remember that cos(0)=1 so this is important! If in doubt, always do it.

Answer 2

1/2 π 2 +2

Answer 3

Oh, right... duh.

Answer 4

Hey.. who will put the value for the lower limit... ???? So ,you missed the answer by +Cos O..=1

Answer 5

Easy mistake rymden, just make sure you learn from it :)

Answer 6

( Love your avatar @Traxter )

Answer 7

Thanks :D He is immortal.