comelistas07 comelistas07

22-01-2021
Mathematics

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4x^2-4x-1=0 please help

Respuesta :

kenlingdad kenlingdad

22-01-2021

Answer:

x = 1/2 ± √2 / 2

Step-by-step explanation:

4x²-4x-1=0

Roots: x = (-b ± √b² - 4ac) / 2a a=4 b=-4 c=-1

x = (- -4 ± √(-4)² - 4*4*(-1)) / 2*4

x = (4 ± √32) / 8 = (4 ± 4√2) / 8 = 1/2 ± √2 / 2

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