`3x-y=40, 4x-2y=50`

The straight lines 4x-3y-5=0, x-2y=0, 7x+y-40=0 and x+3y+10=0 from

Solve the following system of equations by matrix method : 5x+7y+2=0 4x+6y+3=0 5x+2y=3 3x+2y=5 3x+4y-5=0 x-y+3=0 3x+y=19 3x-y=23 3x+7y=4 x+2y=-1 3x+y=7 5x+3y=12

Maximise z=x+y subject to 2x+yle50, x+2y=40

" Minimise "Z=4x+8y" subject to "200x+100y>=4000,x+2y>=50,40x+40y>=1400,x>=0,y>=0" minimum value of "z" is "

If x^2-y^2=40 , and x-y=4 , then x^2 + y^2 =

4x+14y=50;6x-2y=6

Identify the type of conic section for each of the equations 1. 2x^(2) -y^(2) = 7 2. 3x^(2) +3 y^(2) -4x + 3y + 10 =0 3. 3x^(2) + 2y^(2) = 14 4. x^(2) + y^(2) + x-y=0 5. 11x^(2) -25y^(2) -44x + 50y - 256 =0 6. y^(2) + 4x + 3y + 4=0

If 4x^2+y^2=40 and xy=6,(x>0,y>0) then the value of 2x+y is: यदि 4x^2+y^2=40 और xy=6,(x>0,y>0) , 2x+y का मान ज्ञात करें :