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Chapter 13
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Lesson 13.IF3-S
> Problem 6-49
6-49.
Answer (a):
Answer (c):
x
= 115
Hint (b):
4
x
− 1 = 3
x
2
3
x
2
− 4
x
+ 1 = 0
Hint (d):
Use the same method as in part (b).
