MathDB
Unequal Fractions

Source:

February 11, 2009

Problem Statement

The fractions \frac{ax\plus{}b}{cx\plus{}d} and bd \frac{b}{d} are unequal if: (A)\ a\equal{}c\equal{}1, x\neq 0 \qquad (B)\ a\equal{}b\equal{}0 \qquad (C)\ a\equal{}c\equal{}0 \\ (D)\ x\equal{}0 \qquad (E)\ ad\equal{}bc