Question

Find the area of a parallelogram formed by vectors A=3i+2j and B=-3i+7j *


(1) 27 sq. unit


(2) 16.5 sq unit


(3) none​

Answer 1

Answer:

it is always perpendicular to its plane. so, area of parallelogram formed by two adjacent sides a and b = cross product of a and b. hence area of parallelogram is 27 sq unit.

thus, answer-(1) 27 sq. unit...

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