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Q.

Degree of which of the following polynomials is zero?


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a

x

b

15

c

y

d

x+x2  

answer is B.

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Detailed Solution

We need to find a polynomial whose degree is zero.
The degree of a polynomial is the highest value of the power of the variable existing in any of the terms of the given expression.
In option (1), the polynomial x has a degree 1.
In option (2), the polynomial 15 (or 15x0) has a degree 0.
In option (3), the polynomial y has a degree 1.
In option (1), the polynomial x+x2 has a degree 2.
Hence, the degree of the polynomial 15 is equal to 0. Hence, option 2 is correct.
 
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