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Popolare >

dimostrare that the product of the two consecutive integers is divisible by 2

Soluzione

prove that the product of the two consecutive integers is divisible by 2

Soluzione

The numbers : 1, 2 or - 2, - 1

Fasi della soluzione

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 2

Risolvi

x (x + 1) = 2 : x = 1, x = - 2

Inserire in

x = 1 : 2

Inserire in

x = - 2 : - 1

The numbers : 1, 2 or - 2, - 1

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