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The total number of ways in which n^2...

The total number of ways in which `n^2` number of identical balls can be put in `n` numbered boxes `(1,2,3,.......... n)` such that ith box contains at least `i` number of balls is a. `.^(n^2)C_(n-1)` b. `.^(n^2-1)C_(n-1)` c. `.^((n^2+n-2)/2)C_(n-1)` d. none of these

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CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
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  3. The total number of ways in which n^2 number of identical balls...

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