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W) g °C, A°C, =11:5 तो / का मान ज्ञात कॉजिए। |
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Answer» =>15Cr / 11 = 15Cr-1 / 5=>15Cr / 15Cr-1 = 11/5=>15-r + 1 / r = 11/5(nCr / nCr-1 = n- r+1/ r )=>80 = 11r + 5r=>r= 5 hit like if you find it useful |
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