Math, asked by Palakpatware, 4 months ago

ple(13 Find'r, if 5 4P, = 6 SP.-L.

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Answered by Luckydancer950

0

Answer:

Example 13Find r, if 5 4Pr = 6 4Pr-1Now it is given that 5 4Pr = 6 5Pr-1 5 × 4!/(4 − )! = 6 × 5!/(5− ( − 1))!

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