Algebramedium · Past Paper
If the roots of ax^2 + bx + c = 0 are reciprocal of each other, then:
Aa = b
Ba = c
Cb = c
Da + b + c = 0
✓ Correct Answer: B — a = c
Product of roots = r * (1/r) = 1. Since product is c/a, 1 = c/a implies a = c.
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