JEE Math Practice Question
Let P = $$\left[ {\begin{matrix} 1 & 0 & 0 \\ 3 & 1 & 0 \\ 9 & 3 & 1 \\ \end{matrix} } \right]$$ and Q = [qij] be two 3 $$ \times $$ 3 matrices such that Q – P5 = I3. Then $${{{q_{21}} + {q_{31}}} \over {{q_{32}}}}$$ is equal to :
- A.15
- B.9
- C.135
- D.10
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