Question

the product of two rational number is -1 if one of the rational number is -17 by 8 find the other

Answer 1

$x = \frac{ - 17}{8} \\ let \: other \: be \: y \\ x \times y = - 1 \\ \frac{ - 17}{8} \times y = - 1 \\ y = \frac{8}{17}$
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