1/7 a³ - 2/√3 a² + 4a - 7. Is the given expression a polynomial or not? Justify your answer

Solution:

It is given that

1/7 a³ - 2/√3 a² + 4a - 7

The power of a here is 3, 2 and 1 which are whole numbers.

Therefore, 1/7 a³ - 2/√3 a² + 4a - 7 is a polynomial.

✦ Try This: 1/2 x³ - 3/√2 x² + 5x - 6. Is the given expression a polynomial or not? Justify your answer

It is given that

1/2 x³ - 3/√2 x² + 5x - 6

The power of a here is 3, 2 and 1 which are whole numbers.

Therefore, 1/2 x³ - 3/√2 x² + 5x - 6 is a polynomial.

☛ Also Check: NCERT Solutions for Class 9 Maths Chapter 2

NCERT Exemplar Class 9 Maths Exercise 2.2 Problem 1(vii)

1/7 a³ - 2/√3 a² + 4a - 7. Is the given expression a polynomial or not? Justify your answer

Summary:

A polynomial expression has terms connected by the addition or subtraction operators. The expression 1/7 a³ - 2/√3 a² + 4a - 7 is a polynomial

☛ Related Questions:

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• A binomial can have atmost two terms. Is the given statement true or false? Justify your answer
• Every polynomial is a binomial. Is the given statement true or false? Justify your answer