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Find the value of (a) ""^(15)C(4), (b) "...

Find the value of (a) `""^(15)C_(4)`, (b) `""^(80)C_(2)`
( c) `""^(15)C_(4) + ""^(15)C_(5)`, (d) `""^(20)C_(16) - ""^(19)C_(16)`

Text Solution

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The correct Answer is:
a) 1365, b) 3160, c) `""^(16)C_(5)`, d) `""^(19)C_(15)`
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