Réponse:
laisser a=x^2
4a^2-6a+1=0.............quadratic equation
6+
[tex]6 + \sqrt{36 - 16} \div 2[/tex]
[tex]6 + \sqrt{20} \div 2[/tex]
a=
[tex]6 + \sqrt{5} = 8.236[/tex]
or
[tex]6 - \sqrt{5} = 3.764[/tex]
[tex]x = \sqrt{a} [/tex]
[tex]x = \sqrt{8.236} [/tex]
or
[tex]x = \sqrt{3.764} [/tex]
