Aptitude Trick#4(Square of two digit number)

Square of two digit number using Formule 1

Consider An Example

Example: Square of 26

• Step 1:

           we separate the number into
            two parts(a & b)

• Step 2: Now using formulae

                 a２| 2ab | b２

                we get 2*2 | 2*2*6 | 6*6

Answer = 676