1. Instalments – An Introduction
Read time: xx OR Video time: xx Lesson Objective Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo #1. A typical scenario is when products are bought by a small down-payment and the balance amount is paid through a series of payment (usually equal amounts), at regular intervals (usually monthly). This series of equal […]
Write \(n\) as difference of squares
Revision Notes For questions of this type, we should immediately make note of whether \(n\) is odd or even. The way forward is a little different for \(n\) being odd v/s \(n\) being even. Further, \(n\), itself being a square or not, also has a role to play. Case 1: When \(n\) is odd, and […]
Writing \(n\) as a product of 2 numbers
Revision Notes In the entire following, \(f\) refers to the number factors of \(n\). Case 1: When \(n\) is not a perfect square Because \(n\) is not a perfect square, the case of the 2 numbers being same does not arise and the possible ways are only those where the two numbers are distinct. And […]