Vanshika Asked a Question
July 24, 2020 6:03 pmpts 30 pts
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  • Chandra dhawan thankyou
    https://youtu.be/PJg2rEukMKU...
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    Chandra dhawan
    see attached link... it's very helpful for you dear
  • Vaishali sharma
    https://youtu.be/PJg2rEukMKU
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    Vaishali sharma
    go through the link
  • Mahak
    ans is cos(theta)=2/3 see this video you will get your ans clearly https://youtu.be/PJg2rEukMKU
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