The diagonals of the parallelogrma formed by the lines `a_(1)x+b_(1)y+c_(1)=0,a_(1)x+b_(1)y+c_(1)^(1)=0, a_(2)x+b_(2)y+c_(1)=0,a_(2)x+b_(2)+c_(1)^(1)=` will be right angles if

Options

A. `(a_(1))/(a_(2))=(b_(1))/(b_(2))`
B. `(a_(1)^(2))/(b_(1)^(2))=(a_(2)^(2))/(b_(2)^(2))`
C. `a_(1)^(2)+b_(1)^(2)=a_(2)^(2)+b_(2)^(2)`
D. `a_(1)^(2)-b_(1)^(2)=a_(2)^(2)-b_(2)^(2)`

Answer

C