Question

2b⁴-b²-3=0 срочно надо

Answer 1

2b^4 - b^2 - 3 = 0
Замена: b^2 = t
2t^2 - t - 3 = 0
t1 = 3/2 ; t2 = -1

x^2 = 3/2 => x1 = v6/2 ; x2 = -v6 / 2
x^2 = -1 => х не € R

Отвеm: v6/2 ; -v6/2