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인기 있는 >

The sum of two numbers is 15 and the sum of their squares is 377. Find the larger number.

해법

The sum of two numbers is 15 and the sum of their squares is 377. Find the larger number.

해법

The largest number : 19

솔루션 단계

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 15

x^{2} + y^{2} = 377

방정식을 풀다:

x + y = 15, x^{2} + y^{2} = 377 : (x = - 4, x = 19, y = 19 y = - 4)

Discard duplicated solutions

Select the largest solution:

19

The largest number : 19

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