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प्रश्न
Solve:
2x4 – 5x2 + 3 = 0
उत्तर
2x4 – 5x² + 3 = 0
`=>` 2x4 – 3x2 – 2x2 + 3 = 0
`=>` x2(2x2 – 3) – 1(2x2 – 3) = 0
`=>` (2x2 – 3)(x2 – 1) = 0
If 2x2 – 3 = 0 or x2 – 1 = 0
Then `x^2 = 3/2` or `x^2 = 1`
`=> x = +- sqrt(3/2)` or `x = +- 1`
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