Question

Abrivation of formula [x+y]square=x square+2xy+y square

Answer 1

Answer:

here is your answer,,:--

Step-by-step explanation:

(x+y)^2=(x+y)(x+y)

=x(x+y)+y(x+y)

=x^2+xy+xy+y^2

= x^2+2*x*y+y^2

=RHS.

hence proved that,

(x+y)^2=x^2+2xy+y^2.

hope it helps,please mark as brainliest.