1975 AHSME Problems/Problem 13
Problem
The equation has
Solution
Let . When , . Therefore, there are no negative roots.
Notice that and . There must be at least one positive root between 0 and 1, therefore the answer is .
See Also
1975 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 12 |
Followed by Problem 14 | |
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