NCERT Solutions Class 11 Mathematics Chapter 4 Principle of Mathematical Induction

Exercise 4.1 1. Prove the following by using the principle of mathematical induction for all n ∈ N: 1 + 3 + 1 + 3 + 32 + ….. + 3n-1 = (3n – 1)/2 Answer : Let the given statement be P(n), i.e. P(n): 1 + 3 + 32 + …. + 3n-1 = (3n…