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Question

Which among the following is a polynomial in one variable?
  1. 2xπ
  2. y2
  3. 4x
  4. 4x32


Solution

The correct option is C 4x
In the given expressions, the exponents of the variables are 32, π, -2 and 1 respectively.

Out of these numbers, only 1 is a whole number, and it is the exponent of the variable x in 4x.

Thus, only 4x is a polynomial.

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