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प्रश्न
Identify the following expression is polynomial. If not give reason:
`1/x^2 + 3x - 4`
उत्तर
`1/x^2 + 3x - 4` is not a polynomial.
Since the exponent of x2 is not a whole number, but it is `(1/x^2 = x^(-2))` negative number.
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