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If the area of the parallelogram with ve...

If the area of the parallelogram with `vec(a)` and `vec(b)` as two adjacent sides is 15 sq. units, then the area of the parallelogram having `3vec(a)+2vec(b)` and `vec(a)+3vec(b)` as two adjacent sides in sq. units is

A

120

B

105

C

75

D

45

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The correct Answer is:
B
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