Question

A real number ‘k‘ is called zero of a polynomial p(), if
(a) p() = 0 (b) p() = 1 (c) p() = 0 (d) none of these

Answer 1

The zero of the polynomial is defined as any real value of x, for which the value of the polynomial becomes zero.

A real number k is a zero of a polynomial p(x), if p(k) = 0.

For example P(x)=x

2

−3x−4

then P(−1)=(−1)

2

−(3×−1)−4=0

and P(4)=(4)

2

−(3×4)−4=0

∴ -1 and 4 are called the zeros of the quadratic polynomial x

2

−3x−4

Answer 2

Answer:

option b is correct.

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