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प्रश्न
Which of the following expression are polynomial? Justify your answer:
`1 - sqrt(5)x`
उत्तर
`1 - sqrt(5)x = 1 - sqrt(5)x^(1/2)`
Here, the power of `x = 1/2`, which is not a whole number.
Hence, `1 - sqrt(5)x` is not a polynomial.
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