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Find the Length of the Vector 2i + J - 2\sqrt { 2 }

Question 242

Multiple Choice

Find the length of the vector 2i + j - 2k.


A) 2\sqrt { 2 }
B) 3\sqrt { 3 }
C) 2
D) 5\sqrt { 5 }
E) 6\sqrt { 6 }
F) 7\sqrt { 7 }
G) 8\sqrt { 8 }
H) 3

Correct Answer:

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