what have I done wrong xx

[untold ferry]

what's the actual answer?

cus the only thing I can see is it should be 0.70, not 0.7

[onyx arch]

0.5

[rotund root]

Can u send me this paper pls

[untold ferry]

well your substitution is correct, so it's something to do with the integral

[onyx arch]

okay thank u at least ive got the method right ! I’ll try some more questions and see if im getting them right xx

[clever field]

@onyx arch