fatama786110 fatama786110

10-10-2020
Mathematics

contestada

Find (x+y)^2 when (x-y)=5 and xy=24
Formula:
(a+b)^2 -(a-b)^2 =4ab
(7)

Respuesta :

jimrgrant1 jimrgrant1

10-10-2020

Answer:

(x + y)² = 121

Step-by-step explanation:

Using the identity

(x + y)² - (x - y)² = 4xy , then

(x + y)² - 5² = 4(24) , that is

(x + y)² - 25 = 96 ( add 25 to both sides )

(x + y)² = 121

Answer Link

10-10-2020

The answer is 121 there u go

Answer Link

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