[" If "2x-3y=7" and "(a+b)x-(a+b-3)y=4a+b" has an infinite number of solutions then "],[[" a."A=5,b=1," b."a=-5,b=1," c."a=5,b=-1," d."a=-5,b=-1]]

If the pair of equations 2x+3y=11 and (a+b)x+(2a-b)y=33 has infinitely many solution then a)a=-1,b=5 b)a=1,b=5 c)a=5,b=1 d)a=5,b=-1

If 2x-3y=7" and "(a+b)x-(a+b-3)y=4a+b represent coincident lines, then a and b satisfy the equation :

If the system of equations 2x+3y=7,quad (a+b)x+(2a-b)y=21 has infinitely many solutions,then a=1,quad b=5( b) a=5,b=1(c)a=-1,quad b=5(d)a=5,quad b=-1

If 2x+3y=8 and 4x+py=16 has infinite solutions, then p= ………

If 2x-3y=7 and (a+b)x-(a+b-3)y=4a+b represent coqucident lines,then a and b satisfy the equation?

If the system of equations 2x+3y=7,\ \ \ \ (a+b)x+(2a-b)y=21 has infinitely many solutions, then

2x + 3y = 7& (a-b)x+ (a + b) y = 3a + b-2

If the system of equations 3x-y+4z=3,x+2y-3z=-2 and ,6x+5y+ lambda z=-3 has infinite number of solutions then lambda =

If the system of equations 3x-y+4z=3,x+2y-3z=-2, and 6x+5y+ lambda z =-3 has infinite number of solutions ,then lambda=