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The value of r for which 20Cr 20C0+ 20Cr−1 20C1+ 20Cr−2 20C2+…+ 20C0 20Cr is maximum, is : |
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Answer» The value of r for which 20Cr 20C0+ 20Cr−1 20C1+ 20Cr−2 20C2+…+ 20C0 20Cr is maximum, is : |
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