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