Question

which of the following expressions are polynomial in one variable and which are not? states reasons for your answer

Answer 1

Answer:

1. x² + x + 2

It can be written as x² + x¹ + 2

it is a polynomial in one variable because each exponent of x is a whole no.

2. 2_/x + x²

It can written as 2x½ + x²

it is not a polynomial in one variable because one of the exponent of x is not a whole no.

3. 2x + 3/ x

it can be written as 2x¹ + 3x‐¹

it is not a polynomial in one variable because one of the exponent is not a whole no.

4. y² + y½ + 4

it can be written as y² + y½ + 4x⁰

it is not a polynomial in one variable because one of the exponent of y is not a whole no.

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