Math, asked by dhillonjagman25, 8 months ago

Prove that "P3-n-1P3 - 3 n-1P2 = 0.
Prove that "P, = n-1P, + r. n-1Pr-1.​

Answers

Answered by Anonymous
4

Step-by-step explanation:

it's the solution and I think you can solve the last portion

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