Másodfokúra visszavezethető magasabb fokszámú egyenletek
Oldd meg az alábbi egyenleteket!
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x4 + x2 = 6
x1 = −√2; x2 = √2
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3x4 + 21 = 24x2
x1 = −√7; x2 = √7; x3 = −1; x4 = 1
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2x4 + 3x2 = 20
x1 = −√5/2; x2 = √5/2
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x4 − 8x2 − 9 = 0
x1 = −3; x2 = 3
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x4 − 5x2 + 4 = 0
x1 = −2; x2 = 2; x3 = −1; x4 = 1
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x4 − 25x2 + 144 = 0
x1 = −4; x2 = 4; x3 = −3; x4 = 3
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x6 − 7x3 = 8
x1 = −1; x2 = 2
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x4 − 13x2 + 36 = 0
x1 = −2; x2 = 2; x3 = −3; x4 = 3
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x4 − 20x2 − 125 = 0
x1 = −5; x2 = 5
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x4 − 13x2 − 48 = 0
x1 = −4; x2 = 4