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The product of two consecutive positive integers is 30. Find the value of the greater integer.

解答

The product of two consecutive positive integers is 30. Find the value of the greater integer.

解答

The largest number : 6

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 30

解

x (x + 1) = 30 : x = 5, x = - 6

Select positive solutions:

5

x + 1 = 5 + 1 = 6

Select the largest solution:

6

The largest number : 6

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