Algebraeasy · Past Paper
If the roots of ax^2 + bx + c = 0 are reciprocal to each other, then:
Aa = b
Bb = c
Cc = a
Da = 0
✓ Correct Answer: C — c = a
Product of roots α(1/α) = 1. Since αβ = c/a, then 1 = c/a → c = a.
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✓ Correct Answer: C — c = a
Product of roots α(1/α) = 1. Since αβ = c/a, then 1 = c/a → c = a.
Share this question