Question

tell one identity in mathematics

Answer 1

a + b whole square = a square + b square + 2ab

Answer 2

hey buddy,

here is ur answer,

(a+b)^2=${a}^{2} + {b}^{2} + 2ab$
procedure to get this identity,

let we have two bracket i.e.,

(a+b) (a+b)

${a}^{2} + ab \: \: + ab \: + {b}^{2}$
so we get,

${a}^{2} + 2ab + {b}^{2} \: \: or \: \: {a}^{2} + {b}^{2} + 2ab$

hope this help u buddy.......