Higher Engineering Mathematics, Sixth Edition

194 Higher Engineering Mathematics

x 521

y^5

x^2

2

y(x 1 1) 5 (x 2 3)(x 1 2)

y(x 1 1) 5 (x 2 3)(x 1 2)

210

28

26

24

22

26 24 22 0 2

2

4

6

4 6 x

y

Figure 18.34