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Hye maine thodi bola ki kbhi mat aao maine bs bola thnx Stop krne ko. |
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Answer» A^2 + B^2 - 2A•B = A^2 + B^2 - 2A.B ==> A^2 + B^2 - 2AB cost = A^2 + B^2 - 2A.B ==> cost = 1 ==> t = 0 degree. So, one of the VECTORS A, B should be a scalar multiple of the other. |
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