If the lines `(x-1)/(-3)=(y-2)/(2k)=(z-3)/(-2)a n d(x-1)/(3k)=(y-5)/1= – InterviewSolution

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1.	If the lines `(x-1)/(-3)=(y-2)/(2k)=(z-3)/(-2)a n d(x-1)/(3k)=(y-5)/1=(z-6)/(-5)`are at right angel, thenfind the value of `kdot`
Answer» The lines are perpendicular if `a_(1)a_(2)+b_(1)b_(2)+c_(1)c_(2)=0`. Hence, `-3(3k)+2k(1)+2(-5)=0 or k=-(10)/(7)`.

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