Problem 4. Find the vector components of x along a and orthogonal to a. (x? a?? ?? ????? a? ??? ????? ???.) (12p)
1) x = (1, 1, 1), a = (0,2,-1)
2) x = (2, 0, 1), a = (1,2,3) 3) x = (2, 1, 1, 2), a = (4,-4,2,-2)
1) a?? ?? ????:
a? ??? ????:
2) a?? ?? ????:
a? ??? ????:
3) a?? ?? ????:
a? ??? ????:
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