write the answer of the circled ones please
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nC6 = nC4
n!/6!(n-6)! = n!/(n-4)!4!
1/6 = 1/n-4
n-4 = 6
n = 6+4 = 10
nC4 = ?
10C4 = 10!/4!(10-4)!
= 10×9×8×7×6!/4×3×2×1×6!
= 210
HOPE THIS WILL HELP YOU.
n!/6!(n-6)! = n!/(n-4)!4!
1/6 = 1/n-4
n-4 = 6
n = 6+4 = 10
nC4 = ?
10C4 = 10!/4!(10-4)!
= 10×9×8×7×6!/4×3×2×1×6!
= 210
HOPE THIS WILL HELP YOU.
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