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Grade 12Algebra

prove using mathematical induction that n2 is less than 2n for n>=5

Profile image of xERROR - 404x
6 Years agoGrade 12
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1 Answer

Profile image of Aditya Gupta
6 Years ago
For n≥5  you have n^2>2n+1 (this should not be hard to see) so if n^2
2^(n+1)= 2⋅2^n>2n^2>n^2+2n+1=(n+1)^2.
If you still have doubts feel free to ask.
kindly approve :=)