Find the dot product of u = <8,7> and v = <-3,-2>, then determine of u and v are orthogonal. ?
回答 (1)
2021-04-11 3:39 pm
u *v = (8)(-3) + (7)(-2) = - 24 - 14 = -38
Do determine that u and v are orthogonal, if and only if u * v = 0
Since u*v = - 38, therefore they are not orthogonal.
Do determine that u and v are orthogonal, if and only if u * v = 0
Since u*v = - 38, therefore they are not orthogonal.
收錄日期: 2021-04-11 23:38:56
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