Question

sove this plz
it will hrlp me a lot
my exams are starting next week.​

Answer 1

given ,x=1 ,y=1

prove (x+y)²=x²+2xy+y²

L.H.S. (x+y)²

put x=1 ,y=1

(1+1)²= (2)²= 4

R.HS. x²+2xy+y²

x=1,y=1

(1)²+2(1)(1)+(1)²

1+2+1=4

Therefore L.H.S.=R.H.S hence proved