Which of the following is a polynomial?

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answer is D.

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Detailed Solution

Concept: concept that polynomials are an algebraic expression that contains one term or more than one term but the power of the variable is in the form of whole numbers so use
Whenever we face such types of questions always remember that if a polynomial has only one term then the power of the variable cannot be zero otherwise it converts into a single digit number which is 1, if the polynomial has more than one term then the power of the variable can be zero except one term, so the general form of the polynomial is, ax3+bx2+cx+dax3+bx2+cx+d, where a, b, c , and d belongs to real numbers.
Hence, the correct answer is an option (4)

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