If P = |(x,1),(1,x)|and Q = |(x,1,1),(1,...

If `P = |(x,1),(1,x)|and Q = |(x,1,1),(1,x,1),(1,1,x)|` then `(dQ)/(dx)` = ______

A

`3P+1`

B

`1-3P`

C

`-3P`

D

3P

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The correct Answer is:

D

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