evaluate 10p4
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rajivsood777:
plz explain the question
Answers
Answered by
3
10p4
= 10!÷(10!-4!)
= 10!÷6!
= 10×9×8×7×6!÷6!
= 10×9×8×7
= 560×9
= 5040
= 10!÷(10!-4!)
= 10!÷6!
= 10×9×8×7×6!÷6!
= 10×9×8×7
= 560×9
= 5040
Answered by
0
ANSWER
first we have 10p4
where 10=n,4=r
formula n!/(n-r)!
so, 10!/(10-4)!
10!/6!
take 10! to 6!
10*9*8*7*6!/6!
now cancel 6!from 6!
remains, 10*9*8*7
multiply all we get,
5040
Ans = 5040
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