1.

If the sums of n terms of two arithmetic progressions are in the ration $$\frac{{3n + 5}}{{5n + 7}},$$then their nth terms are in the ration

A. $\frac{{3n - 1}}{{5n - 1}}$$
B. $\frac{{3n + 1}}{{5n + 1}}$$
C. $\frac{{5n + 1}}{{3n + 1}}$$
D. $\frac{{5n - 1}}{{3n - 1}}$$
Answer» C. $\frac{{5n + 1}}{{3n + 1}}$$


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