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The volume of a parallelopiped whose edg...

The volume of a parallelopiped whose edges are represented by `-12bar i+lambda bar k, 3bar j-bar k and 2bar i +bar j-15bar k` is 546 then `lambda=____`

A

3

B

2

C

`-3`

D

`-2`

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The correct Answer is:
C
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