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|| ||. u. a 1 i + b 1 j. || ||. u – v. || ||. v. a 2 i + b 2 j. Theorem Angle between Vectors. y. 1. v. j. u. i. 1. x. Theorem. Two vectors v and w are orthogonal if and only if.
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|| || u a1i + b1 j || || u – v || || v a2i + b2 j
y 1 v j u i 1 x
Theorem Two vectors v and w are orthogonal if and only if
Determine whether the vectors v = 4i - j and w = 2i + 8j are orthogonal.
y w = 2i + 8j x v = 4i - j