$Write the reciprocal (multiplicative inverse) of each rational number, given below : (i) 5 (i i) - 3 (i i i) \frac{5}{11} (i v) \frac{- 7}{- 8} (v) \frac{- 7}{- 8} (v i) \frac{15}{- 17}$

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Solution

$(i) 5 = \frac{1}{5} (i i) - 3 = \frac{1}{- 3} (i i i) \frac{5}{11} = \frac{11}{5} = 2 \frac{1}{5} (i v) \frac{- 7}{- 8} = \frac{8}{7} = 1 \frac{1}{7} (v) \frac{- 7}{- 8} = \frac{8}{7} = 1 \frac{1}{7} (v i) \frac{15}{- 17} = \frac{- 17}{15} = 1 \frac{2}{5}$

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