Question

$2 \times 2 = 4$
a×a=2a
[tex][/tex]

Answer 1

A × x is defined as the sum of x number of A terms.

A × x = A+A+..........+A( x times )

Hence 2×2=2+2=4

a × a = a² .

Answer 2

2 * 2 = 4

a * a = 2a

a * a = a²