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Home / Doubts and Solutions/JEE/Mathematics

Dear Sir/Ma'am pl tell circled question

Asked by neeraj.unnao 30th July 2017, 10:38 AM
Answered by Expert
Answer:
begin mathsize 16px style integral fraction numerator straight x plus tanx over denominator straight x squared minus 2 logcosx end fraction dx straight x squared minus 2 logcosx equals straight t open square brackets 2 straight x minus 2 cross times fraction numerator 1 over denominator cos begin display style straight x end style end fraction cross times open parentheses negative sinx close parentheses close square brackets dx equals dt open parentheses straight x plus tanx close parentheses dx equals dt over 2 integral fraction numerator begin display style dt over 2 end style over denominator straight t end fraction fraction numerator begin display style log open vertical bar straight t close vertical bar end style over denominator 2 end fraction plus straight c end style
Answered by Expert 31st July 2017, 9:11 AM
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