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פּוֹפּוּלָרִי Word Problems >

the sum of the square of two consecutive natural numbers is 85.determine the numbers

פתרון

t h e s u m o f t h e s q u a re o f tw o co n sec u t i v e na t u r a l n u mb ers i s 85. d e t er min e t h e n u mb ers

פתרון

The numbers : 6, 7 or - 7, - 6

צעדי פתרון

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x^{2} + (x + 1)^{2} = 85

x^{2} + (x + 1)^{2} = 85

פתור את:

x = 6, x = - 7

x = 6

החלף את:

7

x = - 7

החלף את:

- 6

The numbers : 6, 7 or - 7, - 6

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