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شائع Word Problems >

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

الحلّ

p ro v e t ha t t h e p ro d u c t o f t h e tw o co n sec u t i v e in t e g ers i s d i v i s ib l e b y 2

الحلّ

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

خطوات الحلّ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 2

x (x + 1) = 2

حلّ:

x = 1, x = - 2

x = 1

استبدل:

2

x = - 2

استبدل:

- 1

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

أمثلة شائعة

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