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Which of the following is a polynomial?

Which of the following is a polynomial?-example-1
User CularBytes
by
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1 Answer

8 votes

Answer:

C

Explanation:

Polynomials should consist of only non-negative integer powers of x. Thus B and D are definitely not. It might be possible to simplify A into something that looks like a polynomial, but it’s a bit difficult. If you just need to choose one, then C is definitely a good choice.

My incomplete attempt of factorizing A:


(x^5(x^6-4))/(x^5(x^(-5)+1)) = (x^5)/(1+x^5)(x^3+2)(x^3-2)

User Haohmaru
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