Question

3. a) Why is X3 is a polynomial but


`\frac{7}{x {}^(2) }`
, is not a polynomial? write in your words. ​

Answer 1

because the power of variable is -2

Explanation:

polynomials are a combination of constant and variable or only variable, being that power of variable is always positive natural no.

7/x^2 denotes 7x^-2