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Which of the following is not a quadratic polynomial?

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p (x) = 16 - 4 x

p (x) = 13 - x

p (x) = 12 x^{3} - x

All of the above

answer is D.

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Detailed Solution

We need to find which is not a quadratic polynomial.
The quadratic polynomial's basic form is

p (x) = a x^{2} + bx + c

where a, b, and c are constants and

x

is a variable.
A polynomial of degree two is referred to as a quadratic polynomial as a result.
As a result, option 4 is the only one that cannot be a quadratic polynomial, as its degree is 3.
Hence, the correct option is 4.

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