engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Differential Equations Solution of Differential Equations
\(\rm x^2{ dy\over dx}= x^2+xy+y^2\) এর সমাধান কত হবে?
1
\(\rm logx= tan^{-1}{y\over x}+c\)
2
\(\rm logx= tan^{-1}{x\over y}+c\)
3
\(\rm logy= tan^{-1}{x\over y}+c\)
4
\(\rm logy= tan^{-1}{y\over x}+c\)