[" 1.For what values of a and b does the following pair of equations have an infinite numbers of "],[" solutions."2x+3y=7,a(x+y)-b(x-y)=3a+b-2quad (DELH12008C)]

For what values of a and b does the following pair of linear equations have infinite number of solution ? 2x+3y=7, a(x+y)-b(x-y)=3a+b-2

For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x+3y=7 (a-b)x+(a+b)y=3a+b-2

For which values of a and b does the following pair of linear equations have an infinite number of solutions ? 2x+3y=7 (a-b)x+(a+b)y=3a+b-2

For which values of a and b does the following pair of linear equations have an infinite number of solution?2x+3y=7 (a-b)x+(a+b)y=3a+b-2

For which values of a and b does the following pair of linear equatons have an infinite number of solutions ? 2x+3y=7 (a-b)x+(a+b)y=3a+b-2

For what values of a and b does the pair of linear equations have infinite number of solutions 2x-3y=7 ax+3y=b

For what values of a and b does the following pair of linear equations have infinitely many solutions ? 2x + 3y = 7 a (x + y) - b (x - y) = 3a + b - 2

(i) For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 (a - b)x + (a + b)y = 3a + b - 2 (ii) For which value of k will the following pair of linear equations have no solution? 3x + y = 1 (2k - 1)x + (k - 1)y = 2k + 1

(i) For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 (a - b)x + (a + b)y = 3a + b - 2 (ii) For which value of k will the following pair of linear equations have no solution? 3x + y = 1 (2k - 1)x + (k - 1)y = 2k + 1