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Principle of Mathematical Induction – Class XI – Exercise 4.1[Part 3]
Prove the following by using the principle of mathematical induction for all n € N: 1 + 2 + 3 + … + n < 1/8(2n+1)2 Solution: Let the given statement be P(n), i.e., P(n): 1 + 2 + 3 + … + n < 1…