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I REALLY NEED YOUR HELP

I REALLY NEED YOUR HELP-example-1

1 Answer

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Answer:

n(n-1)/2 is the formula

Explanation:

n(n-1) divided by 2 is the formula

with this you can solve any questions like this

for example you have 6 person so,

n(n-1)/2

6(6-1)/2

6(5)/2

30/2

there will be 15 handshakes

so the answer to this question is

n(n-1)/2

User Wei Chun
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