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1. $\frac{2}{(a - b)} + \frac{- 5}{(b - a)}$

A. $\frac{- 10}{(2 a b - a - b)}$
B. $\frac{- 10}{(2 a b - a - b)}$
C. $\frac{- 10}{(2 a b - a - b)}$
D. $\frac{- 10}{(2 a b - a - b)}$

Answer: Option D

Explanation:

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