Physics, asked by sakshipanchwal17, 27 days ago

prove that in Scalar product a = 2i+3j+k and b = 2i-4j+8k are mutually Perpendicular.

Answers

Answered by manoranjanphy1

0

Answer:

A.B=|A||B| cos theta

Explanation:

4-12+8=✓(14)✓(84)cos theta

costheta=0

theta= 90⁰

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