Thread: [SOLVED] which is the correct answer ?

please have a look at the aatached pic ...which is the correct procedure .....left or the right one ...and why? what is worng there?
thank you .

Originally Posted by crb

please have a look at the aatached pic ...which is the correct procedure .....left or the right one ...and why? what is worng there?
thank you .

There're both correct. You have forgotten the constant of integration. If you include it then you can use a trig identity to go between answers.

Hello,

Both of them are correct.
There's just a matter of constant.

A constant should be added to the two methods.


But note that

using the identity

and that's all

ooo the constant......i was going a bit crazy there.......thank you for helping out guys ..thank you