2002 AMC 10B Problems/Problem 4
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Problem
What is the value of
when 
?
Solution
One can also do most of the algebra, and only then substitute for 
. Note that the first term 
can be written as
. Hence we get:
See Also
| 2002 AMC 10B (Problems • Resources) | ||
| Preceded by Problem 3 | Followed by Problem 5 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
