1.

The value of $$\left[ {1 + \frac{1}{{x + 1}}} \right]$$$$\left[ {1 + \frac{1}{{x + 2}}} \right]$$ $$\left[ {1 + \frac{1}{{x + 3}}} \right]$$$$\left[ {1 + \frac{1}{{x + 4}}} \right]$$$${\text{is}} = ?$$

A. $\frac{{x + 5}}{{x + 1}}$$
B. $\frac{{x + 1}}{{x + 5}}$$
C. $1 + \frac{1}{{x + 5}}$$
D. $\frac{1}{{x + 5}}$$
Answer» B. $\frac{{x + 1}}{{x + 5}}$$


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