Exemplar - Verify polynomial or not IV — task. Maths CBSE Mentoring, Class 9 Mentoring product.

Which of the following expressions are polynomials? Justify your answer:

\frac{1}{7} a^{3} - \frac{2}{\sqrt{3}} a^{2} + 4 a - 7

2. \(\frac{1}{2x}\) is

Did you find an error?

6. Exemplar - Verify polynomial or not IV