Решить уравнение: х^4-6x^2+8=0. Created by kristina230700. algebra-ru

Решить уравнение: х^4-6x^2+8=0...

August 2022 1 6 Report

Решить уравнение:
х^4-6x^2+8=0

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Juliaa21 X^4-6x^2+8=0
(x²)²-6x²+8=0
x²=t ; t≥0
t²-6t+8=0
D=36-4*1*8=36-32=4
t1=(6+2)/2=8/2=4
t2=(6-2)/2=4/2=2

x²=4 x²=2
x=+-2 x=+-√2

Ответ:-2;-√2;√2;2

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rasschitajte massu soli i vody neobhodimuyu dlya prigotovleniya 20 g vodnogo rastvo

reshit sistemu uravnenijc21a32a965f6fb828859c4db9d55d21f 81100

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srochnoreshit kvadratnoe uravnenie 1 h2 5x0 2v2 50

reshit neravenstvo h24xlt0

najdite znachenie vyrazheniya kartinka prikreplena

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