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CBSE Class 12-science Answered

SIR I HAVE ATTACHED THE QUESTION BELOW PLEASE HAVE A LOOK ON IT. 
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Asked by PARTHAGRAWAL914 | 14 Dec, 2018, 04:05: PM
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begin mathsize 12px style I space equals space integral fraction numerator x squared plus cos squared x over denominator 1 plus x squared end fraction space cos e c squared x space d x space equals space integral fraction numerator x squared cos e c squared x over denominator 1 plus x squared end fraction space d x space plus space integral fraction numerator c o t squared x over denominator 1 plus x squared end fraction space d x I space equals space integral fraction numerator x squared over denominator 1 plus x squared end fraction space cos e c squared x space d x space plus space integral fraction numerator c o t squared x over denominator 1 plus x squared end fraction space d x space I space equals space integral open parentheses 1 minus fraction numerator 1 over denominator 1 plus x squared end fraction close parentheses cos e c squared x space d x space plus space integral fraction numerator c o t squared x over denominator 1 plus x squared end fraction space d x I space equals space integral cos e c squared x space d x space plus space integral fraction numerator open parentheses c o t squared x space minus space cos e c squared x close parentheses over denominator 1 plus x squared end fraction space d x I space equals space integral fraction numerator d x over denominator begin display style sin squared x end style end fraction space minus space integral fraction numerator d x over denominator 1 plus x squared end fraction space space equals space I subscript 1 space minus space tan to the power of negative 1 end exponent x space plus C w h e r e space I subscript 1 space equals space integral fraction numerator d x over denominator begin display style sin squared x end style end fraction space space semicolon space t o space s o l v e space I subscript 1 space w e space u s e space s u b s t i t u t i o n space x space equals space tan to the power of negative 1 end exponent t space comma space h e n c e space d x space equals space fraction numerator d t over denominator 1 plus t squared end fraction space a n d space sin squared x space equals fraction numerator t squared over denominator 1 plus t squared end fraction I subscript 1 space equals space integral fraction numerator d t over denominator t squared end fraction space space equals space minus fraction numerator 1 over denominator tan left parenthesis begin display style x right parenthesis end style end fraction plus C I space equals space minus c o t left parenthesis x right parenthesis minus tan to the power of negative 1 end exponent x space plus space C end style
Answered by Thiyagarajan K | 15 Dec, 2018, 07:02: AM

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CBSE 12-science - Maths
bata diya hu chutiye
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CBSE 12-science - Maths
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CBSE 12-science - Maths
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CBSE 12-science - Maths
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question 13
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