Question

Find 'a' using componendo and dividendo. ​

Answer 1

Therefore, it is proved that if the ratio of a to b is equal to the ratio of c to d, then the ratio of a + b to a − b is equal to the ratio of c + d to c − d. This property is called the componendo and dividendo rule. Hence, we have: 2(y – x)/(y – x) = 2.