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प्रश्न
Which of the following are quadratic equation in x?
`x^2 - 3x - sqrtx + 4 = 0`
योग
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उत्तर
`(x^2 - 3x - sqrtx + 4)` contains a term with `sqrtx`, i.e., `x^(1/2)`, where `1/2` is not a integer.
Therefore, it is not a quadratic polynomial.
∴ `x^2 - 3x - sqrtx + 4 = 0` is not a quadratic equation.
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