yamelxiomaracardenas yamelxiomaracardenas
  • 09-10-2021
  • Computers and Technology
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LA SUMA DE DOS NÚMEROS ES 10 Y LA SUMA DE SUS CUADRADOS 58, HALA LOS NÚMEROS

Respuesta :

boyvlog559
boyvlog559 boyvlog559
  • 09-10-2021

Answer:

3 y 7

Explanation:

Los números cuya suma es 10 y suma de cuadrados es 58 son los números 3 y 7

Sea "a" y "b" los dos números entonces su suma es 10:

a + b = 10

1. a = 10 - b

La suma de sus cuadrados es 58:

2. a² + b² = 58

Sustituyo la ecuación 1 en la ecuación 2:

(10 -b)² + b² = 58

100 - 20b + b² + b² = 58

2b² - 20b + 100 - 58 = 0

b² - 10b + 21 = 0

(b - 7)*(b-3) = 0

b = 7 o b = 3

Tenemos un número que será "a" y el otro que será "b", entonces los números son 7 y 3

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