Fill in the blank:If a1a2=b1b2≠c1c2, then the pair of linear equations has ______ solution.
Unique point is obtained for the pair of equations a1x + b1y + c1 = 0 and a2x +b2y + c2 = 0 if __________ .
Parallel lines are obtained for the pair of equations a1x+b1y+c1=0 and a2x+b2y+c2=0 if
The condition for a pair of equations a1x+b1y+c1=0 and a2x+b2y+c2=0 to be parallel is
Condition satisfied by the pair of equation 2x+3y=−5 and 4x+6y−10=0 is