Question

which of the following are polynomial in x?

$(a) \: x^{2} - 6 \sqrt{x} + 2$
$(b) \: \sqrt{x} + \: 1 \div \sqrt{x}$
$(c)5 \div ( {x}^{2} - 3x + 1)$
$(d)none \: of \: these$

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Answer 1

(d) None of these.

it was very simple.