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Find the Vector Projv U 54121i+12121j+36121k\frac { 54 } { 121 } \mathbf { i } + \frac { 12 } { 121 } \mathbf { j } + \frac { 36 } { 121 } \mathbf { k }

Question 17

Multiple Choice

Find the vector projv u.
-v = k, u = 9i + 2j + 6k


A) 54121i+12121j+36121k\frac { 54 } { 121 } \mathbf { i } + \frac { 12 } { 121 } \mathbf { j } + \frac { 36 } { 121 } \mathbf { k }
B) 5411i+1211j+3611k\frac { 54 } { 11 } \mathbf { i } + \frac { 12 } { 11 } \mathbf { j } + \frac { 36 } { 11 } \mathbf { k }
C) 6121k\frac { 6 } { 121 } \mathbf { k }
D) 6k6 \mathbf { k }

Correct Answer:

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