Question

pls answer this question
jisne correct answer diya I mark him brilliant​

Answer 1

Step-by-step explanation:

1) (x-2y)^2 + (2x-y)^2

x^2+4y^2-4xy + 4x^2+y2-4xy

5x^2+5y^2-8xy

2) (2x+5y)^2 - (x+3y)^2

4x^2 + 25y^2 +20xy - (x2+9y^2+6xy)

4x^2+25y^2+20xy-x^2-9y^2-6xy

3x^2+16y^2+14xy