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عبدالرحمن ابراهيم
Oct 21, 2021

Hi guys I want to know if this is the right solution of this integral or not ?

in Math Problems


2 comments
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Ian Fowler
Oct 21, 2021

You missed: dx = du/2cos^2(x). Line 3 should have du. After that it's game over.

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عبدالرحمن ابراهيم
Oct 21, 2021

@Ian Fowler but i did what you say

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2 comments