Решить уравнение : по теме -уравнения сводящиеся к квадратным 1)х⁴-5х²+4=0 2)х⁴-...

August 2022 1 21 Report

Решить уравнение : по теме -уравнения сводящиеся к квадратным
1)х⁴-5х²+4=0

2)х⁴-50х²+49=0

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Verified answer

1
x²=a
a²-5a+4=0
a1=a2=5 U a18a2=4
a1=1⇒x²=1⇒x=-1 U x=1
a2=4⇒x²=4⇒x=2 u x=-2
2
x²=a
a²-50a+49=0
a1=a2=50 U a1*a2=49
a1=1⇒x²=1⇒x=1 U x=-1
a2=49⇒x²=49⇒x=-7 U x=7

1 votes Thanks 1

2x-2...

Answer

klimenkol21 August 2022 | 0 Ответы

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klimenkol21 August 2022 | 0 Ответы

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klimenkol21 August 2022 | 0 Ответы

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klimenkol21 August 2022 | 0 Ответы

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Answer

Answers & Comments

Verified answer

2x-2...

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osnovaniya trapecii 6sm i 9sm vysota 10sm najti rasstoyaniya ot tochki peresecheniya0c50ad104f6e89a3291d70d1402d398b 22936

osnovaniya trapecii 6sm i 9sm vysota 10sm najti rasstoyaniya ot tochki peresecheniyadea6b551016c04c8383f618917441f22 11246

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