1.

Find the angle between the pair of lines ( frac{x-3}{5}= frac{y+7}{3}= frac{z-2}{2} ,and , frac{x+1}{3}= frac{y-5}{4}= frac{z+2}{8} ).

A. (cos^{-1} u2061 frac{43}{ sqrt{3482}} )
B. (cos^{-1} u2061 u2061 frac{43}{ sqrt{3382}} )
C. (cos^{-1} u2061 u2061 frac{85}{ sqrt{3382}} )
D. (cos^{-1} u2061 u2061 frac{34}{ sqrt{3382}} )
Answer» C. (cos^{-1} u2061 u2061 frac{85}{ sqrt{3382}} )


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