What is the value of ((2)−1)−2?.Give your answer in numerals
((2)−1)−2 = (2)2 = 4
In the given figure, AE is the diameter of the circle. Write down the numerical value of ∠ ABC + ∠ CDE. Give reasons for your answer.
The value of (1+i)2 - (1−i)2 is __(give answer in terms of i)