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פּוֹפּוּלָרִי >

An integer is two more than another integer. Twice the larger integer is one more than the square of the smaller integer. Find the two integers.

פתרון

An integer is two more than another integer. Twice the larger integer is one more than the square of the smaller integer. Find the two integers.

פתרון

The numbers : 5, 3 or 1, - 1

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 2 + y

2 x = 1 + y^{2}

פתור את מערכת המשוואות:

x = 2 + y, 2 x = 1 + y^{2} : (x = 5, x = 1, y = 3 y = - 1)

The numbers : 5, 3 or 1, - 1

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