Let the matrix A=[(1,2,3),(0, 1,2),(0,0,...

Let the matrix `A=[(1,2,3),(0, 1,2),(0,0,1)] and BA=A` where B represent `3xx3` order matrix. If the total number of 1 in matrix `A^(-1)` and matrix B are p and q respectively. Then the value of `p+q` is equal to

A

`3`

B

`4`

C

`5`

D

`7`

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The correct Answer is:

D

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