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


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