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CBSE Class 12-science Answered

 Integration x2 tan-1 x/( 1 + x2)dx explain in great detail
Asked by haroonrashidgkp | 21 Oct, 2018, 03:37: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight I equals integral fraction numerator straight x squared tan to the power of negative 1 end exponent straight x over denominator 1 plus straight x squared end fraction dx tan to the power of negative 1 end exponent straight x equals straight t rightwards double arrow straight x equals tant fraction numerator 1 over denominator 1 plus straight x squared end fraction dx equals dt straight I equals integral open parentheses tan squared straight t close parentheses tdt straight I equals integral straight t open parentheses sec squared straight t minus 1 close parentheses dt straight I equals integral open parentheses tsec squared straight t minus straight t close parentheses dt Integrate space further. end style
Answered by Sneha shidid | 21 Oct, 2018, 06:31: PM

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CBSE 12-science - Maths
Example 17 Solve the following system of equations by matrix method. 3x-2y+3z =8 2x+y-z=1 4x-3y+2z = 4
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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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CBSE 12-science - Maths
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CBSE 12-science - Maths
bag 1 contains 8 red and 2 black balls. bag 2 contains 7 red and 5 Black balls. one of the bags is chosen at random and a ball is drawn from it, which is found to be black. find the probability that the ball is drawn from bag 1.
Asked by janusingh736 | 13 Mar, 2024, 04:19: PM
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