" 13: "y^(x)=x^(y)

If x^(13)y^(7)=(x+y)^(20),quad prove that (dy)/(dx)=(y)/(x)

If x^(13)y^(7)=(x+y)^(20), prove that (dy)/(dx)=(y)/(x)

If x^(13)y^7=(x+y)^(20) , prove that (dy)/(dx)=y/x

If x^(13)y^7=(x+y)^(20),p rov et h a t(dy)/(dx)=y/xdot

x"@"y=(x+y)^(2) x#y=(x-y)^(2) Find the value of 516#(14"@"13)):

(x^(2)+y)^(17)=x^(8)y^(13)

Solve :(x+y)/(x-y)=(3)/(2),3x-2y=13

The equation to a pair of opposite sides of a parallelogram are x^2-5x+6=0 and y^2-6y+5=0 . The equations to its diagonals are x+4y=13 ,y=4x-7 (b) 4x+y=13 ,4y=x-7 4x+y=13 ,y=4x-7 (d) y-4x=13 ,y+4x-7

The equation to a pair of opposite sides of a parallelogram are x^2-5x+6=0 and y^2-6y+5=0 . The equations to its diagonals are x+4y=13 ,y=4x-7 (b) 4x+y=13 ,4y=x-7 4x+y=13 ,y=4x-7 (d) y-4x=13 ,y+4x-7

The equation to a pair of opposite sides of a parallelogram are x^2-5x+6=0 and y^2-6y+5=0 . The equations to its diagonals are x+4y=13 ,y=4x-7 (b) 4x+y=13 ,4y=x-7 4x+y=13 ,y=4x-7 (d) y-4x=13 ,y+4x-7