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Q.

Which of the following polynomial defines constant polynomials?

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a

px=c

b

px=ax2+bx+c

c

px=ax3+bx2+cx+d

d

px=ax+b  

answer is C.

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Detailed Solution

We need to find a constant polynomial.
We know that,
A polynomial ax3+bx2+cx+d is a cubic polynomial with variable x.
A polynomial ax2+bx+c is a quadratic polynomial with variable x.
A polynomial c is a constant polynomial.
A polynomial ax+b is a linear polynomial with variable x.
Therefore, px=c is a constant polynomial.
Hence, the correct option is 3.
 
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