The solution of `(2x+4y+3)*(dy)/(dx)=2y+x+1` is
`1) log|4x-8y+5|=4x+8y+C`
`2) log|4x-8y+5|=4x-8y+C`
`3) log|4x+8y+5|=4x+8y+C`
`4) log|4x+8y+5|=4x-8y+C `

The system of equations 2x+ 4y = 6 and 4x + 8y = 6 has

Find the values of (x+y ) , if (i) 3x + 4y = 11 , 4x + 3y = 10 (ii) 5x - 2y = 4 , x + 8y = 26

2x+3y=8 4x-5y=-6

the equation of the axes of the ellispe 3x^(2)+4y^(2)+6x-8y-5=0 are

Solve the equations 4x + 5y = 42 and x + 8y = 51 for x and y.

Factorise: (x - 2y )^(2) + 4x - 8y

Solution of D*E*(dy)/(dx)=(3x+4y+3)/(12x+16y-4) is (A) y=4x+ln(3x+4y)+c(B)4y=x+ln(3x+4y)+c(C)y=ln(3x+4y)+c(D)x+y=ln(3x+4y)+c

The following lines with the equations x + 2y = 12, 4x + 8y = 48

Solve the equations 4x+5y = 42 and x+ 8y = 51 for x and y.

The equation of the circle passing through (1/2, -1) and having pair of straight lines x^2 - y^2 + 3x + y + 2 = 0 as its two diameters is : (A) 4x^2 + 4y^2 + 12x - 4y - 15 = 0 (B) 4x^2 + 4y^2 + 15x + 4y - 12 = 0 (C) 4x^2 + 4y^2 - 4x + 8y + 5 = 0 (D) none of these