Count the possible combinations of 2 letters chosen from L, M, N, O.The possible combinations of 2 letters are .

Question

Count the possible combinations of 2 letters chosen from L, M, N, O.The possible combinations of 2 letters are .
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Solution 1

To count the possible combinations of 2 letters chosen from L, M, N, O, we use the combination formula which is nCr = n! / r!(n-r)!.

Here, n is the total number of items, and r is the number of items to choose.

In this case, n = 4 (since we have 4 letters: L, M, N, O) and r = 2 (since we are cho Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
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