Question

Prove that if x and y are both odd positive integers, then x^2+y^2 is even but not divisible by 4

Answer 1

here is your answer mate

Answer 2

$\huge{\mathcal {\purple {A}\green {n}\pink {s}\blue {w}\purple{e}\green {r}}}$

☆here

${x}^{2} + {y}^{2} \\ {3}^{2} + {5}^{2} \\ 9 + 25 \\ 34 \div 4$

$\huge\colorbox{orange}{çhű࿐ ❤}$