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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

How many different arrangements can be made out of the letters in the expansion

A^2 B^3 C^4

, when written in full?

View answer and explanation

Correct option: B

\frac{9 !}{2 ! 3 ! 4 !}

Option B (

\frac{{9 !}}{{2 ! 3 ! 4 !}}

) is correct because it correctly applies the formula for permutations with repetitions.

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