A. Tan y=c(ex-1)3
B. Tan y=c(ex+1)3
C. Tan y=c(ex-1)2
D. Cos y=c(ex-1)3
x2+y2=t+(1/t),x4+y4=t2+(1/t2)⇒x3y(dy/dx)=
The radius of the circle r2-2√2r(cos θ + sin θ)-5=0 is
The solution of (1+ex/y)dx+ex/y(1-x/y)dy=0 is
The solution ofn(ex+1)y dy+(y+1)dx=0 is
The curve represented by X= 2( cos t + sin t ), y=( cos t - sin t ) is
The solution of ex-y dx+ey-x dy=0 is