1956 AHSME Problems/Problem 23
Problem 23
About the equation , with and real constants, we are told that the discriminant is zero. The roots are necessarily:
Solution
Plugging into the quadratic formula, we get The discriminant is equal to 0, so this simplifies to Because we are given that is real, is always real, and the answer is
~ cxsmi (significant edits)
See Also
1956 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 22 |
Followed by Problem 24 | |
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