Question

wats a^2+b^2 formula someone plz tell

Answer 1

there is no such formula but u can derive it
\[(a+b)^2=a^2+b^2+2ab\]
\[(a+b)^2-2ab=a^2+b^2\]
or
\[(a-b)^2=a^2+b^2-2ab\]
\[(a-b)^2+2ab=a^2+b^2\]