Question

b) Roots of the quadratic equation x?-1=0 are:
i) 0,1
ii)1,1
iii)1,-1​

Answer 1

Answer:

option 2) 1,1 is the right answer your question

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Answer 2

Let f(x) = x^2 - 1.

For zero of the polynomial, put f(x) = 0

I.e., x^2 - 1 = 0

x^2 = 1

[x = ±1]

Thus, the correct answer is option (c)- {1,-1}.

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