Rudhreswaran G posted an Question
April 17, 2021 • 02:49 am 30 points
  • IIT JAM
  • Mathematics (MA)

How this as came can some one explain this step ?

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    Deepak singh 1 best-answer

    Refer attached solution

    cropped8799481847416109472.jpg
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    in this were the 2 has gone

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    can you mark step , where ??

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    and how the dx and dy has changed into dr and d0 ?

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    in this step

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    by changing into polar coordinate dxdy changed to drd0

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    and I have substitution method to solve integration , put r^2=t

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    feel free to ask again..

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