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