Question

if vector A = 2i cap + j cap + k cap and vector B = 2i cap + 2j cap + k cap then |vectorA x vectorB| is
1) √5
2) √7
3) √11
4) √13

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Answer 1

Answer:

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Answer 2

if vector A = 2i cap + j cap + k cap and vector B = 2i cap + 2j cap + k cap then |vectorA x vectorB| is

Answer:

3) √11