• Vaishnavi rajora
    dear I already solved it see attached
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  • Vanshika
    Q. 6
    • cropped3229873410740446648.jpg
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  • Chandra dhawan
    plz uplode clear image..
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    Vanshika
    sir I have uploaded it in the comments
  • Vaishnavi rajora thankyou
    see attached
    • cropped7660749027531656274.jpg
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    Vanshika
    mam I derived the same ...but in book the ans is 0
  • Ruby negi thankyou
    it could be done like this..
    • cropped1753773624.jpg
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    Vanshika
    mam answer in the book is 0