Question

what is the formula for square of any number​

Answer 1

$\huge\sf\underline\green{Answer\:⟹}$

For a Number

$x$,

the formula is :-

${x}^{2} = x \times x$

Answer 2

Answer:

Special cases. If the number is of the form m5 where m represents the preceding digits, its square is n25 where n = m(m + 1) and represents digits before 25. For example, the square of 65 can be calculated by n = 6 × (6 + 1) = 42 which makes the square equal to 4225.