Срочно помогите решить 2x^4-17x^2+35=0
Х^2 = A 2A^2 - 17A + 35 = 0 D = 289 - 4*2*35 = 289 - 280 = 9 V D = 3 A1 = ( 17 + 3 ) : 4 = 5 A2 = 14 : 4 = 3.5 X^2 = A 5 = (X1)^2 --> X1 = V 5 3.5 = (X2)^2 ---> X2 = V 3.5
D=3^2 X1^2=5 X2^2=7/2 X1=+-sqrt5 X2=+-sqrt(3,5)