Question 1

What about 2 Choose 1 Formula?

Accepted Answer

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Question 2

What about (n-1)choose 2 Formula?

Accepted Answer

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Question 3

What about 3 Choose 2 Formula?

Accepted Answer

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Question 4

What about 2^n-1 Formula?

Accepted Answer

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Question 5

What about 5 Choose 2 Formula?

Accepted Answer

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Question 6

What about 4 Choose 2 Formula?

Accepted Answer

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