x+2y<=10,x+y>=1,x-y<=0,x>=0,y>=0

Show that the solution set of the following linear inequations is empty set: x+2y,quad =12,y>=1,x>=0,y>=0

The normal at the point (1,1) on the curve 2y+x^(2)=3 is (A) x+y=0 (B) x-y+1=0x-y+1=0x-y=0

The equation of the bisector of the acute angle between the lines 2x-y+4=0 and x-2y=1 is x-y+5=0 x-y+1=0 x-y=5 (d) none of these

Show that the following equations are consistent. 2x+3y+1=0,x+2y+1=0,x+y=0

The quadrilateral formed by the lines 2x-5y+7=0,5x+2y-1=0,2x-5y+2=0,5x+2y+3=0 is

(xy)/(x-y)=(1)/(2);(xy)/(x+y)=(1)/(5) wherex +y!=0;x-y!=0

If [(x+y, x-2),(2x-y,0)] = [(2,2),(1,0)] then find the values of x,y?

The normal at the point (1,1) on the curve 2 y+x^2=3 is a) x+y=0 b) x-y=0 c) x+y+1=0 d) x-y=1

If (x_(0), y_(0), z_(0)) is any solution of the system of equations 2x-y-z=1, -x-y+2z=1 and x-2y+z=2 , then the value of (x_(0)^(2)-y_(0)^(2)+1)/(z_(0)) (where, z_(0) ne 0 ) is