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Isha lohan Asked a Question
June 23, 2020 9:59 pmpts 30 pts
  • IIT JAM
  • Physics (PH)

Please explain q 19 and 20 by multiple integral method. is there any other way to solve this type of questions?

Please explain how we can find out volume of the solid generated when some area is revolved about any given axis. And how to find curved area of this solid formed by revolving area.
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  • Chandra dhawan thankyou
    see attached file
    • cropped725136465.jpg
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    Chandra dhawan
    see example 84
  • Chandra dhawan
    see this example
    • cropped-913068284.jpg
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    Chandra dhawan
    see this plz
  • Vaishnavi rajora Best Answer
    see both
    • cropped2291378156952367046.jpg
    • cropped5541227538177214380.jpg
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    Isha lohan
    mam, can you please tell, how we get this formula with pie in integration?
  • Vaishnavi rajora
    see this
    • cropped8603014120444520856.jpg
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    Isha lohan
    for any type of given curve, do we always do Integration(pie*y^2)dx?
  • Vaishnavi rajora
    not exact but will help you
    • cropped2754178876267199253.jpg
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    Isha lohan
    How to find volume? I understand the above attachments about finding curved area. thanks a lot.
  • Vaishnavi rajora thankyou
    see attached
    • cropped4612413380614431425.jpg
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