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SambaRumba
@SambaRumba
July 2022
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4. Решите уравнение : х⁴ – 10х² + 9 = 0.
5. При каком значении p уравнение 4x²+ px + 9 = 0 имеет один корень?
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wejde
Verified answer
X⁴-10x²+9=0
x²=1, x²=9
x=-1, x=1
x=-3, x=3
4x²+px+9=0
D=0
D=p²-4*4*9=p²-144
p²-144=0
p=-12, p=12
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Verified answer
X⁴-10x²+9=0x²=1, x²=9
x=-1, x=1
x=-3, x=3
4x²+px+9=0
D=0
D=p²-4*4*9=p²-144
p²-144=0
p=-12, p=12