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If ,And the Angle Between

question 61

Multiple Choice

If If , ,and the angle between And (when the two are drawn starting from the same point) is 60°,what is the scalar product of these two vectors? A) −13 B) +13 C) +37 D) −37 E) 73
,
,and the angle between
And
(when the two are drawn starting from the same point) is 60°,what is the scalar product of these two vectors?

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