Sanchari Pal Asked a Question
January 22, 2020 1:21 pmpts 15 pts
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  • Sanchari Pal
    can you please tell me how you are arriving at this (Wd ) formula .. my book has some different one , so I couldn't arrive at the desired result
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  • Dhairya sharma thankyou
    here it is!
    • upload_1579700943638.jpg
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