1. 2n
2. n
3. n/2
4. n/4
n/2
1. 1
2. 2
3. 1/7
4. 2/7
2/7
1. 20
2. 10
3. 5
4. 15
5
1. x=-(y+2)+cey
2. y=-(x+2)+cex
3. y=-(y+2)+cex
4. x=(y+2)+ce-y
x=-(y+2)+cey
1. tan(y/2x)-cx=0
2. tan(y/x)-cx=0
3. tan(y/x)+cx-x=0
4. sin(y/2x)-cx=0
tan(y/2x)-cx=0
1.
2.
3.
4.
1. xy= c
2. x+y=c
3. x-y=c
4. x=cy
xy= c
1. x4-y4= c
2. x2-y2= c
3. (1/x)-(1/y)=c
4. (1/x2)-(1/y2)= c
(1/x2)-(1/y2)= c
1. y+2=c(x-1)
2. (y+2)(x-1)=c
3. log(y+2)=c(x-y)
4. log(x-1)=c(y+2)
y+2=c(x-1)
1. y=3e3x-x2+c
2. y = (e3x/3)-x2+c
3. y = e3x-2x+c
4. y = e3x-x2+c
y = (e3x/3)-x2+c