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Phổ biến Word Problems >

The sum of the reciprocals of two consecutive integers is-3/2 Find the two integers.

Lời Giải

T h e s u m o f t h e rec i p roc a l s o f tw o co n sec u t i v e in t e g ers i s - \frac{3}{2} F in d t h e tw o in t e g ers .

Lời Giải

The numbers : - 2, - 1 or - \frac{1}{3}, \frac{2}{3}

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

\frac{1}{x} + \frac{1}{x + 1} = - \frac{3}{2}

Giải

\frac{1}{x} + \frac{1}{x + 1} = - \frac{3}{2} : x = - 2, x = - \frac{1}{3}

Thay

x = - 2 : - 1

Thay

x = - \frac{1}{3} : \frac{2}{3}

The numbers : - 2, - 1 or - \frac{1}{3}, \frac{2}{3}

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