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If `plambda^4+qlambda^3+rlambda^2+slambda+t=|[lambda^2+3lambda,lambda-1,lambda+3],[lambda^2+1, 2-lambda,lambda-3],[lambda^2-3,lambda+4, 3lambda]|` then `p` is equal to (A) `-5` (B) `-4` (C) `-3` (D) `-2`

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