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Which of the following is NOT a polynomial?

Class 9Degree and Types of PolynomialsPolynomials

A $x^{2} - 3 x + 2$
B $x + 1$
C5
D $2 x^{3} + x$

Step-by-Step Solution

x = x^{1/2}

has a fractional exponent, which is not allowed in a polynomial. The others are valid.

Answer: B)

x + 1

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