furqanarzoo furqanarzoo

06-07-2019
Mathematics

contestada

. Let A = {x: x ϵ R, x2 – 5x + 6 = 0 } and B = { x: x ϵ R, x2 = 9}. Find A intersection B and A union B

Respuesta :

konrad509 konrad509

06-07-2019

[tex]x^2 – 5x + 6 = 0\\x^2-2x-3x+6=0\\x(x-2)-3(x-2)=0\\(x-3)(x-2)=0\\x=3 \vee x=2\\A=\{-2,3\}\\\\x^2=9\\x=-3 \vee x=3\\B=\{-3,3\}\\\\A\cap B=\{3\}\\A\cup B=\{-3,-2,3\}[/tex]

Answer Link

Otras preguntas

How can cultural experiences and perspectives be conveyed through memorable narratives?

In much of Africa, the traditional village layout consists of a __________, or a pen for cattle, and the homes that surround it.

who was favored most by large state delegates

Which nation emerged from a slave rebellion to have the first government controlled by black people in the Americas?

Which side of mountain experiences low temperature? the leeward or the windward?

Which Allied leader is described below? His peace plan for World War I was called the Fourteen Points. He believed Germany had to be punished for its role in W

what factors help to unify the many different peoples of the United States ?

The triangular-shaped body of water that forms where a streams enters a larger body of water is a/an A. meander. B. delta. C. alluvial. D. rejuvenation.

what's an ion? _______'s cation? ________________ an anion? _________________ (No options)

what are the results of the Mexican war as far as slavery was concerned

good job