Mangesh Asked a Question
June 11, 2020 7:33 pmpts 30 pts
please explain me the marked step...................
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  • Vaishnavi rajora
    hope u got it dear.
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    Vaishnavi rajora
    hope we could help u?
  • Chandra dhawan Best Answer
    see attached file
    • cropped-1725221161.jpg
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    Mangesh
    thanx
  • Chandra dhawan
    see attached file
    • cropped1201628659.jpg
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  • Vaishnavi rajora
    i think u forget p = -ih d/dx
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  • Vaishnavi rajora thankyou
    see attached
    • cropped3311070098402315957.jpg
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    Mangesh
    thanx