If a = 2 and b = 3. Find the value of ab×ba.
56
72
64
8
Putting a=2 and b=3 We get: 23=2×2×2=8 and 32=9 Hence, 8×9=72
If a=3 and b=-2,find the values of:
(i) aa+bb (ii) ab+ba (iii)(a+b)ab
Question 178(i)
If a = -1, b = 2, then find the value of the following. ab+ba