u=(-11,-4,-11) v=(12,6,8) vector u1 is parallel to v vector u2 is orthogonal to v u1+u2=u find u1 and u2. i have absolutely no idea!!
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Originally Posted by eiktmywib u=(-11,-4,-11) & v=(12,6,8) vector u1 is parallel to v vector u2 is orthogonal to v u1+u2=u Standare vector projection. $\displaystyle u_1 = \frac{{u \cdot v}}{{v \cdot v}}v\,\& \,u_2 = u - u_1 $
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