Question 178(iv)
If a = -1, b = 2, then find the value of the following. ab÷ba
Given, ab÷ba If a = -1 and b = 2, then (−1)2÷(2)−1=1÷121=1×2=2
Question 178(ii)
If a = -1, b = 2, then find the value of the following. ab−ba
Question 178(iii)
If a = -1, b = 2, then find the value of the following. ab×ba
Question 178(i)
If a = -1, b = 2, then find the value of the following. ab+ba