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Induction. Prove that Σ𝑖2𝑁𝑖=1 is 𝑂(𝑁3). Hint: Prove by induction that Σ&#119894

Posted: Sun May 15, 2022 8:41 am
by answerhappygod
Induction.
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Prove that Σ𝑖2𝑁𝑖=1 is 𝑂(𝑁3).

Hint: Prove by induction that Σ𝑖2𝑁𝑖=1=𝑁(𝑁+1)(2𝑁+1)6.
Induction. Prove that -1i2 is O(N3). Hint: Prove by induction that t-/i2 = N(N+1)(2N+1) [i N = i=1 6