Question

to get 2x²+3xywhat should be added in X² +xy+y² ​

Answer 1

Answer:

$x^{2}+2xy-y^{2}$

Step-by-step explanation:

  $2x^{2}+3xy - (x^{2}+xy+y^{2})$

= $2x^{2}+3xy-x^{2}-xy-y^{2}$

= $x^{2}+2xy-y^{2}$

Ans:- $x^{2}+2xy-y^{2}$