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A=3i+5j-6k B=i+j+k

A=3i+5j-6k
B=i+j+k

Grade:12

1 Answers

G Ashwin -
24 Points
10 years ago

A.B= (3.1)i.i + (5.1)j.j + [(-6).1]k.k

A.B=3+5-6

A.B=2

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