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Find the Length of the Vector ab\mathbf { a } - \mathbf { b }

Question 104

Multiple Choice

Find the length of the vector ab\mathbf { a } - \mathbf { b } , where a=1,3\mathbf { a } = \langle 1,3 \rangle and b=5,2\mathbf { b } = \langle 5,2 \rangle .


A) 13\sqrt { 13 }
B) 17\sqrt { 17 }
C) 19\sqrt { 19 }
D) 21\sqrt { 21 }
E) 2132 \sqrt { 13 }
F) 2172 \sqrt { 17 }
G) 2192 \sqrt { 19 }
H) 2212 \sqrt { 21 }

Correct Answer:

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