202 Higher Engineering Mathematics
Graphical solutions to Problems 6 and 7, Exercise 80, page 195
26
24
24
22
22
6
4
2
0
2
4
6
y
x
y 5
x
2 2x2 4
x 11
y 5
x
2 2x 24
x 11
y 5
x
2
2
x 521
26
Figure 18.40
22
22
24
26
24
26
0
2
2
4
6
4
6
y 5
x
x
y
xy
2 2 x
2
y 1 2x 2y 5 5
xy 2 2 x 2 y 1 2x 2y 5 5
xy
2 2 x
2
y 1 2x 2y 5 5
Figure 18.41