.The sum of the squares of two positive consecutive odd integers is 514. What are the two integers?

해법

. T h e s u m o f t h e s q u a res o f tw o p os i t i v e co n sec u t i v e o dd in t e g ers i s 514. Wha t a re t h e tw o in t e g ers ?

The numbers : 15, 17 or - 17, - 15

솔루션 단계

Represent the numbers with

x

First number : x

Consecutive number : x + 2

A.T.Q.:

x^{2} + (x + 2)^{2} = 514

x^{2} + (x + 2)^{2} = 514

해결 :

x = 15, x = - 17

x = 15

끼우다 :

17

x = - 17

끼우다 :

- 15

The numbers : 15, 17 or - 17, - 15