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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. | |