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FP3 Integration Help!

I've done this integration question using a complete the square method rather than the one in the book- I don't understand why it hasn't given me the same answer.
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FHL123
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Original post by FHL123
I've done this integration question using a complete the square method rather than the one in the book- I don't understand why it hasn't given me the same answer.


I've attached them here
File_000 (2).jpg504.6KB
File_000 (1).jpg518.5KB
File_000.jpg432.5KB
Original post by FHL123
I've attached them here


you factorised out a 4 when you did your version of CTS.... but you did not put it back in to the integral.

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