Question

11.Determine as rizes da seguinte equação biquadrada 4x4-13x2+3=0 . calculos pff

Answer 1

Resposta:

4.4-13.2+3=0

16-26+3=0

10+3=0

13=0

Answer 2

Resposta:

$4x^4-13x^2+3=0\\\\4u^2-13u+3=0\\\\u=3,\:u=\frac{1}{4}\\\\x=\sqrt{3},\:x=-\sqrt{3},\:x=\frac{1}{2},\:x=-\frac{1}{2}$