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**Final Exam / Re: FE-P1**

« **on:**April 13, 2018, 01:14:20 PM »

There is a mistake in step (9)

the first term should be 2y(x^2)cosy instead of 2x(y^2)cosy

the first term should be 2y(x^2)cosy instead of 2x(y^2)cosy