Physics, asked by apratapsingh5062, 1 year ago

Find a unit vector parallel to tha vector 3i^+7j^+4k^

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Answered by RatanBhaskar

53

Hey this may help you

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Answered by prerna1arya

14

aî+bj^+ck^ =aî+bj^+ck^ / _/a^2+ b^2+ c^2

So, 3î+7j^+4k^=3î+7j^+4k^/ _/3^2+7^2+4^2

=3î+7j^+4k^ / _/74

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