<p><img alt="6 Induction a) Use mathematical induction to show that 5% : n(n + 1) (2 marks)" src="https://media.cheggcdn.com/media%2Fbff%2Fbffc826e-a65f-48d1-b06b-63a481b7d8d6%2FphpnJup1b.png" style="height:188px;width:804px;" aria-describedby="d3f"/></p>6 Induction a) Use mathematical induction to show that 5% :