Question: Prove or disprove: a. 3^n = O(2^n) b. n^2 - n - 1 = Ohm(n^3) c. n^2 = o(n^1 5) d. 2n+(-1)^n n = Theta(n)

Prove or disprove: a. 3^n = O(2^n) b. n^2 - n

Prove or disprove: a. 3^n = O(2^n) b. n^2 - n - 1 = Ohm(n^3) c. n^2 = o(n^1 5) d. 2n+(-1)^n n = Theta(n)

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