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人気のある Word Problems >

the 差 of the squares of a pair of consecutive whale numbers is 113. what are the two numbers.

解

t h e d i ff ere n ce o f t h e s q u a res o f a p ai r o f co n sec u t i v e w ha l e n u mb ers i s 113. w ha t a re t h e tw o n u mb ers .

解

The numbers : - 57, - 56

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

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

解く

x^{2} - (x + 1)^{2} = 113 : x = - 57

x + 1 = - 57 + 1 = - 56

The numbers : - 57, - 56

人気の例

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