1990 AJHSME Problems/Problem 5
From AoPSWiki
Problem
Which of the following is closest to the product
?
Solution
Clearly,
Since the function
is strictly increasing, we can say that
from which it follows that
is much too small and
is much too large, so
is the answer.
See Also
| 1990 AJHSME (Problems • Resources) | ||
| Preceded by Problem 4 | Followed by Problem 6 | |
| 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 | ||





