prove T7 n n T2 2 (3) - (1) = ) - (ت) + k k...

Question

Question

T7 n n T2 2 (3) - (1) = ) - (ت) + k k 1 k - 1 prove

math Advanced-Math

Answer 1

Answer #1

he know . n! (m 11 (n-1) !! Now. ท! - (m)-(2 n! -2)! (n-K)! *! (n-2-k)! K! (0-2)! (n-x)(n-k-1) (n-k)! K! (n-2)! { n.(n-1) – 6

Answer 2

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