if m and n are odd positive integers then m2+n2 is even but not divisi

1.	if m and n are odd positive integers then m2+n2 is even but not divisible by 4 justify
Answer» and it\'s not m×2 its m square no M and n should be odd When m=2,n=3, 2m+2n=2×2+2×3=4+6= 10 Which is even

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