1.

What is \(\rm \frac {t_3 - t_5}{t_5 - t_7}\) equal to ?

A. \(\rm \frac {t_1}{t_3}\)
B. \(\rm \frac {t_3}{t_5}\)
C. \(\rm \frac {t_5}{t_7}\)
D. \(\rm \frac {t_1}{t_7}\)
Answer» B. \(\rm \frac {t_3}{t_5}\)


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