Condition satisfied by the pair of equation 2x+3y=−5 and 4x+6y−10=0 is
≠ = .
= =
= ≠
≠
a1a2 = 12 , b1b2 = 12, c1c2 = −12
⇒a1a2 = b1b2 ≠ c1c2.
The condition for a pair of equations a1x+b1y+c1=0 and a2x+b2y+c2=0 to be parallel is
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
What can you tell about the ratio of coefficients of the lines a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0 from the graph ?
What can you tell about the ratio of coefficients for the llines a1x+b1y+c1=0 and a2x+b2y+c2=0 from the graph?