Let veca and vecb be two vectors of equa...

Let `veca` and `vecb` be two vectors of equal magnitude 5 units. Let `vecp,vecq` be vectors such that `vecp=veca-vecb` and `vecq=veca+vecb`. If `|vecp xx vecq|=2{lambda-(veca.vecb)^(2)}^(1/2)`, then value of `lambda` is

A

25

B

125

C

625

D

None of these

Verified by Experts

The correct Answer is:

C

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