Physics, asked by ojasvi215, 1 year ago

a=3i+2j b=i-2j+3k then find magnitudes of a and b

Answers

Answered by TheTotalDreamer
5
Hey,


A + B = 3i + 2j + i - 2j + 3k = 4i + 3k
Magnitude = sqrt(4^2 + 3^2) = 5

A - B = 3i + 2j - i + 2j - 3k = 2i + 4j - 3k
Magnitude = sqrt(2^2 + 4^2 + 3^2) = 5.4

HOPE IT HELPS:-))

ojasvi215: thans perfect answee
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