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Let plambda^(4)+qlambda^(3)+rlambda^(2) ...

Let `plambda^(4)+qlambda^(3)+rlambda^(2) + slambda+t= |{:(lambda^(2)+3lambda,,lambda-1,,lambda+3),(lambda+1 ,,-2lambda,,lambda-4),(lambda-3,,lambda+4,,3lambda):}|`
be an indentity in `lambda` p,q, r s and r are constants. Then find the value of t.

A

7

B

14

C

21

D

28

Text Solution

Verified by Experts

The correct Answer is:
C
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