junistaken1 junistaken1

11-09-2021
Mathematics

contestada

What’s this? Someone help

Whats this Someone help class=

Respuesta :

jimrgrant1 jimrgrant1

11-09-2021

Answer:

C

Step-by-step explanation:

Using the given definition

x δ y = [tex]\frac{x+y}{x-y}[/tex] , then

a δ (a - b)

= [tex]\frac{a+a-b}{a-(a-b)}[/tex]

= [tex]\frac{2a-b}{a-a+b}[/tex]

= [tex]\frac{2a-b}{b}[/tex] → C

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