If a=3,b=2, then find the value of (a−b)a.
If a=2,b=3 then find the value of (ab+ba)-1
Question 178(i)
If a = -1, b = 2, then find the value of the following. ab+ba
If →A = 3^i + ^j + 2^k and →B = 2^i − 2^j + 4^k then find the value of |→A×→B|.