Question

the value of x2 +y2 when x= 1, y=2 is


step to step problem solving​

Answer 1

x²+y²

now we will put the boths value

1²+2²

=1+4=5

Answer 2

$x^2 + y^2 \\\\x = 1\\\\y=2\\\\x^2 + y^2 = 1^2 + 2^2 \\\\x^2 + y^2 = 1+4 = 5 \\\\hope \ it \ helps \ !!$