Question

i) x2+1
ii) x2+1/x
iii) x-1/x
Which one is a polynomial?

Answer 1

Answer:

Correct option is

D

1

x

2

−1=(x+1)(x−1)

x

2

−2x+1=x

2

−x−x+1=x(x−1)−1(x−1)=(x−1)

2

Value of both polynomials become zero, when x=1.

Step-by-step explanation:

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