Question

Use the formula to find the value 63square

Answer 1

twice multiply the given no
example square of 2is
2×2=4

Answer 2

$\large\red{\text\:Answer}$

${63}^{2} = {(60 + 3)}^{2} \\ \\ \implies \: {60}^{2} + 2 \times 60 \times 3 + {3}^{2} \\ \\ \implies \: 3600 + 360 + 9 \\ \\ \implies \: 3600 + 369 \\ \\ \implies \boxed{{63}^{2 } = \: 3969}$