vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Two consecutive positive numbers are such that the sum of their squares is 113. Find the two numbers

Lời Giải

Tw o co n sec u t i v e p os i t i v e n u mb ers a re s u c h t ha t t h e s u m o f t h e i r s q u a res i s 113. F in d t h e tw o n u mb ers

Lời Giải

The numbers : 7, 8

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x^{2} + (x + 1)^{2} = 113

Giải

x^{2} + (x + 1)^{2} = 113 : x = 7, x = - 8

Select positive solutions:

7

x + 1 = 7 + 1 = 8

The numbers : 7, 8

Ví dụ phổ biến

For how long must 5 000 be invested at 6% p.a. simple interest to have a final value of6 500.75% of what number is 42 The sum of three consecutive even numbers is 36. Find the highest of them.What is the chu vi of a circle with the Diameter of 16 : C=dpi Find the value of two numbers if their sum is 12 and their hiệu is 4