answer please ..........
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It is the modulus ( absolute value of ) of cross product of these two vectors,
it comes from the fact that area of parallelogram is base * height
= a*b sin theta
now cross product is -8i +12 j +6k (used determinant method)
magnitude is
sqrt ( 64 +144 +36)
sqrt( 244)
option b
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Answered by
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Your answer is ...
(b). √244...
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(b). √244...
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