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Let veca=(cos theta)hati-(sin theta)hatj, vecb=(sin theta)hati+(cos theta)hatj,vecc=hatk and vecr=7hati+hatj+10hatk. IF vecr=x veca+y vecb+z vecc, then the value of (x^(2)+y^(2))/(z) is equal to |
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Answer» 3 |
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