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What is the degree of the polynomial (21)?
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Answer and explanation
Correct answer: 0
The polynomial 21 has no variable term; it can be written as 21x^0. Since 21 is a non-zero constant polynomial, its degree is 0. Its degree is not 1 because there is no term containing x to the power 1. Exam tip: Every non-zero constant polynomial has degree 0.
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Why is this the correct answer?
The polynomial 21 has no variable term; it can be written as 21x^0. Since 21 is a non-zero constant polynomial, its degree is 0. Its degree is not 1 because there is no term containing x to the power 1. Exam tip: Every non-zero constant polynomial has degree 0.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Degree of a Polynomial.
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