<em><u>The polynomials are:</u></em>
<em><u>Not a polynomial are:</u></em>
<em><u>Solution:</u></em>
Polynomial is an expression with variables and coefficients,
Which involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables
<em><u>Option 1</u></em>
Polynomial does not include roots
This is not a polynomial equation
<em><u>Option 2</u></em>
This is polynomial expression involving addition and subtraction between terms with non-negative integer exponents of variables
<em><u>Option 3</u></em>
This is not a polynomial. This equations involves negative integer exponents of variables
<em><u>Option 4</u></em>
This is a polynomial involving addition and subtraction between terms with non-negative integer exponents of variables
<em><u>Option 5</u></em>
This is not a polynomial. This equations involves negative integer exponents of variables
<em><u>Option 6</u></em>
This is a polynomial involving addition and subtraction between terms with non-negative integer exponents of variables