Question

The sum of two number is 15.if the sum of their
recipracals, is 3/10 find the number.​

Answer 1

Step-by-step explanation:

$a + b = 15 \\ \frac{1}{a} + \frac{1}{b} = \frac{3}{10} \\ \frac{15}{ab} = \frac{3}{10} \\ ab = 50 \\ so \: \: a - b = 5 \\ a = 10 \\ b = 5$

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