Biquadratic Equations Worksheet
Solve the Biquadratic Equations
1x4 − 10x2 + 9 = 0
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3x4 − 61x2 + 900 = 0
4x4 − 25x2 + 144 = 0
5x4 − 16x2 − 225 = 0
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1
x4 − 10x2 + 9 = 0
x4 − 10x2 + 9
x2 = t
x4 − 10x2 + 9 = 0
t2 − 10t + 9 = 0

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2
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3
x4 − 61x2 + 900 = 0





4
x4 − 25x2 + 144 = 0

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5
x4 − 16x2 − 225 = 0

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6
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