Q3. Which of the following expressions is a polynomial?

x^{2} - 3 x^{1 / 3} - 5

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7 x + x^{- 2} - 3

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2 x + 3 \sqrt{x} - 3

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2 x^{2} + 3 x - 7

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Solution

The correct option is D $2 x^{2} + 3 x - 7$
$2 x^{2} + 3 x - 7$

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Similar questions

Which of the following expressions is a polynomial ?
(a) $\sqrt[3]{y} + 4$
(b) $\sqrt{y} - 3$
(c) $y$
(d) $\frac{1}{\sqrt{y}} + 7$

Q3. Which of the following expressions is/are a polynomial and why?

Q3. Which among the following is a necessary condition for a polynomial?

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