permutation

For students of class 6-8 (age 12 to 14)
abrar fiaz
Posts: 1
Joined: Sat Feb 13, 2016 10:42 pm

permutation

Unread post by abrar fiaz » Wed Oct 18, 2017 4:48 pm

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werfdsfg.jpg (157.32 KiB) Viewed 50 times
here onushiddhanto 2 keno n factorial/n - r factorial ??

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