Question

Prove the following by using principle od mathematical induction for all n belongs to N

(i) 1 + 3 + 3² + ..... ± $\sf{3^{n-1} = \frac{(3^n - 1}{2}}$​

Answer 1

★ Correct Question :

Prove the following by using principle od mathematical induction for all n belongs to N

(i) 1 + 3 + 3² + ..... + $\sf{3^{n-1} = \frac{(3^n - 1)}{2}}$

$\rule{200}{1}$

★ Answer :

For answer refer to the attachment.

Answer 2

★ Refer to the attachemnet