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Popular >

the sum of the squares of two consecutive even integers is 20. Find the integers.

Solución

the sum of the squares of two consecutive even integers is 20. Find the integers.

Solución

The numbers : 2, 4 or - 4, - 2

Pasos de solución

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x^{2} + (x + 2)^{2} = 20

Resolver

x^{2} + (x + 2)^{2} = 20 : x = 2, x = - 4

Sustituir

x = 2 : 4

Sustituir

x = - 4 : - 2

The numbers : 2, 4 or - 4, - 2

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