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प्रश्न
Which of the following expression are polynomial? Justify your answer:
`1/(5x^-2) + 5x + 7`
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उत्तर
`1/(5x^-2) + 5x + 7 = 5x^2 + 5x + 7`
Here, the power of x are 2 and 1 respectively
2 and 1 both are whole numbers.
Hence, `1/(5x^-2) + 5x + 7` is a polynomial.
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संबंधित प्रश्न
Write the coefficient of x2 in the following:-
`pi/2x^2+x`
Which of the following expression are polynomial? Justify your answer:
`1 - sqrt(5)x`
Which of the following expression are polynomial? Justify your answer:
`1/(x + 1)`
Which of the following expression are polynomial? Justify your answer:
`1/(2x)`
Every polynomial is a binomial.
Write the coefficient of x2 in the following:
`pi/6 x + x^2 - 1`
Write the coefficient of x2 in the following:
3x – 5
Write the coefficient of x2 in the following:
(2x – 5)(2x2 – 3x + 1)
If p(x) = x2 – 4x + 3, then evaluate : `p(2) - p(–1) + p(1/2)`
Classify the following as linear, quadratic and cubic polynomial:
r2
