Which of the following is a polynomial-a x 2-5 x-6 x-2b x 3 - 2-x-x 1 - 2-1c x-1 xd None of these

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Quadratic Equation as Product of 2 First Degree Equations

Which of the ...

Question

Which of the following is a polynomial?

(a) $x^{2} - 5 x + 6 \sqrt{x} + 2$
(b) $x^{3 / 2} - x + x^{1 / 2} + 1$
(c) $\sqrt{x} + \frac{1}{\sqrt{x}}$
(d) None of these

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