A cubic polynomial is having a degree equal to:

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answer is C.

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Detailed Solution

Concept- The question given is about the degree of a cubic polynomial. Polynomials are nothing more than additions and subtractions of variables and constants, and the powers of these variables are arranged in different orders, and based on the powers of variables, polynomials are classified into different types. First, you need to check the power of the variable. If the power of the variable is 1.
Then the equations are classified as linear equations or linear polynomials. Therefore, option (A) is false and the power of the variable is 2. Then the polynomial equations are classified as quadratic or quadratic polynomials. Therefore, the degree of the quadratic polynomial is 2. Therefore, option 2 is incorrect. Here, if the power of the variable is 3 Then the polynomial equations are classified as cubic equations or cubic polynomials. This means that the degree of the cubic polynomial is 3.
Therefore, option 3 is correct because the cubic polynomial is a cubic polynomial. The final option 4 to indicate that the third-order polynomial is a polynomial of degree 4 is incorrect because these types of equations or polynomials are treated as higher-order polynomials.
Hence, the correct option is 3.

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