1.

Which of the following expressions is not a polynomial ?A) \(\frac{1}{x\, + 1}\)B) 7 C) x2 – 3 D) x2 – 4x + 5

Answer»

Correct option is (A) \(\frac{1}{x+1}\)

\(\frac{1}{x+1}\) is a fraction (rational expression)

So, \(\frac{1}{x+1}\) is not a polynomial.

Correct option is   A) \(\frac{1}{x\, + 1}\)



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