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If $f(n) = O(g(n))$ and $f(n) = \Omega(g(n)),$ then it is always true that

1. $f(n) = o(g(n)).$
2. $f(n) = \theta(g(n)).$
3. $f(n) = \omega(g(n)).$
4. both A and B are always true.

Answer is option B and we will see how options A,C are not correct

Answer to the question is Option B

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