The straight lines `(x)/(a_(1))=(y)/(b_(1))=(z)/(c_(1))` and `(x-2)/(a_(2))=(y-3)/(b_(2))=(z)/(c_(2))` will be parallel if -A. `a_(1)a_(2)+b_(1)b_(2)+c_(1)c_(2)=0`B. `a_(1)a_(2)+b_(1)b_(2)+c_(1)c_(2)=1`C. `(A_(1))/(a_(2))=(b_(1))/(b_(2))=(c_(1))/(c_(2))`D. `(a_(1))/(a_(2))=(b_(1))/(b_(2))=(c_(1))/(c_(2))`

The straight lines `(x)/(a_(1))=(y)/(b_(1))=(z)/(c_(1))` and `(x-2)/(a

1.	The straight lines `(x)/(a_(1))=(y)/(b_(1))=(z)/(c_(1))` and `(x-2)/(a_(2))=(y-3)/(b_(2))=(z)/(c_(2))` will be parallel if -A. `a_(1)a_(2)+b_(1)b_(2)+c_(1)c_(2)=0`B. `a_(1)a_(2)+b_(1)b_(2)+c_(1)c_(2)=1`C. `(A_(1))/(a_(2))=(b_(1))/(b_(2))=(c_(1))/(c_(2))`D. `(a_(1))/(a_(2))=(b_(1))/(b_(2))=(c_(1))/(c_(2))`
Answer» Correct Answer - C

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