np2=20 find value of n
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n * 2=20
n*2=20
n=20/2
n=10
himanshu8732:
np2=20
plz give me answer this question
wait
ans is 10/p
no
n=5
how
answer h
n! /(n-2)!=20 =n(n-1)(n-2)!/n-2)!=20
n2-n=20
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