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^22 x 24
x 11
y 5
x^22 x 24
x 11
y^5
x^2
2
x 521
26
Figure 18.40
22
22
24
26
26 24 0
2
2 4 6
4
6
y^5
x
x
y
xy^2 2 x^2 y 1 2 x 2 y 5 5 xy^2 2 x^2 y^1 2 x^2 y^5 5
xy^2 2 x^2 y 1 2 x 2 y 5 5
Figure 18.41