If Ā=i+2j+3k and B = 3î - 2j+k then the area of parallelogram formed from these vectors as the adjacent sides will be
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Answer:
area of parallelogram = l A × B l
Explanation:
A×B = i [ 2 - (-6)] -j [ 1 - 9 ] + k [ (-2 ) - 6 ]
A×B = 8i + 8j -8k
lA×Bl = √ (8)² + (8)² + (-8)²
lA×Bl = √ 64 + 64 + 64
lA×Bl = √192
lA×Bl = 13.8 unit²
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