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1. Find a unit vector parallel to the vector 3i+7j+4k.[MSE (Chandigarh), 2002] |
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Answer» unit vector=given vector/magnitude of that vectorgiven vector=3i+7j+4kmagnitude=(3^2 +7^2 +4^2)^0.5magnitude=(9+49+16)^0.5=74^0.5unut vector=(3i+7j+4k)/(74^0.5) |
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