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Phổ biến Word Problems >

Find three consecutive even integers such that the square of the third is 52 more than the square of the second. The smallest integer is The middle integer is The largest integer is

Lời Giải

F in d t h ree co n sec u t i v e e v e n in t e g ers s u c h t ha t t h e s q u a re o f t h e t hi r d i s 52 m ore t han t h e s q u a re o f t h e seco n d . T h e s ma ll es t in t e g er i s T h e mi dd l e in t e g er i s T h e l a r g es t in t e g er i s

Lời Giải

Kh \overset{o}{^} ng c \overset{o}{ˊ} nghi ệ m

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x = (x + 2) (x + 4)

Giải

x = (x + 2) (x + 4) :

Không có nghiệm cho

x \in R

Kh \overset{o}{^} ng c \overset{o}{ˊ} nghi ệ m

Ví dụ phổ biến

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