Question

Answer 1

b) `7/3` . `2/7` - `2/7` . `10/3` - `2/7`

= `2/7` . (`7/3` - `10/3`) - `2/7`

= `2/7` . -1 - `2/7`

= `-2/7` - `2/7`

= `-4/7`.

Answer 2

b) \(\dfrac{7}{3}.\dfrac{2}{7}-\dfrac{2}{7}.\dfrac{10}{3}-\dfrac{2}{7}=\dfrac{2}{3}-\dfrac{20}{21}-\dfrac{2}{7}=-\dfrac{4}{7}\)