Объяснение:
9х^4-37х²+4=0
podstawim x²=t
9t²-37t+4=0
Δ=1369-144=1225
√Δ=35
t1=(37-35)/18=2/18=1/9
t2=(37+35/18=4
x^2=1/9 x^2=4
x=±1/3 x=±2
x1=1/3 x3=2 x2=-1/3 x4=-2
Объяснение:
9х^4-37х²+4=0
podstawim x²=t
9t²-37t+4=0
Δ=1369-144=1225
√Δ=35
t1=(37-35)/18=2/18=1/9
t2=(37+35/18=4
x^2=1/9 x^2=4
x=±1/3 x=±2
x1=1/3 x3=2 x2=-1/3 x4=-2