Question

bx+ay=a+b^2|a^2+b^2-1 or bx+ay=2ab|a^2+b^2​

Answer 1

Step-by-step explanation:

from which capter does it belong to

Answer 2

Answer:

$= ( {a}^{2} + {b}^{2} )( {x}^{2} + {y}^{2} )$