The equations `(x)/(a)+(y)/(b)=1` and `(x)/(b)+(y)/(a)=1` are inconsistent if

The equation to the line passing through the intersection of (x)/(b)+(y)/(b)=1, (x)/(b)+(y)/(a)=1 where ab=a+b and (1, 2) is

Using matrix method show that the equations 6x - 4y + 1 = 0 and 9x - 6y = 2 are inconsistent.

Prove that the diagonals of the parallelogram formed by the four lines : (x)/(a)+(y)/(b)=1 , (x)/(a)+(y)/(b)=-1 , (x)/(a)-(y)/(b)=1 , (x)/(a)-(y)/(b)=-1 are at right angles.

Prove that the following sets of three lines are concurrent: (x)/(a)=(y)/(b)=1,(x)/(b)+(y)/(a)=1 and y=x

If the system of equations 3x+y+z=1, 6x+3y+2z=1 and mux+lambday+3z=1 is inconsistent, then

If the system of equations 3x+y+z=1, 6x+3y+2z=1 and mux+lambday+3z=1 is inconsistent, then

If the system of equations x+y-3=0,\ (1+K)x+(2+K)y-8=0\ &\ x-(1+K)y+(2+K)=0 is inconsistent then the value of K may be - 1 b. 3/5 c. -5/3 d. 2