The solution of the differential equation `(e^x^2+e^y^2)y(dy)/(dx)+e^x^2(x y^2-x)=0i s` (a) `( b ) (c) (d) e^( e ) (f) (g) x^((( h )2( i ))( j ) (k))( l )(( m ) (n) (o) y^(( p )2( q ))( r )-1( s ))+( t ) e^( u ) (v) (w) y^((( x )2( y ))( z ) (aa))( b b )=C (cc)` (dd) (ee) `( f f ) (gg) (hh) e^( i i ) (jj) (kk) y^((( l l )2( m m ))( n n ) (oo))( p p )(( q q ) (rr) (ss) x^(( t t )2( u u ))( v v )-1( w w ))+( x x ) e^( y y ) (zz) (aaa) x^((( b b b )2( c c c ))( d d d ) (eee))( f f f )=C (ggg)` (hhh) (iii) `( j j j ) (kkk) (lll) e^( m m m ) (nnn) (ooo) x^((( p p p )2( q q q ))( r r r ) (sss))( t t t )(( u u u ) (vvv) (www) y^(( x x x )2( y y y ))( z z z )-1( a a a a ))+( b b b b ) e^( c c c c ) (dddd) (eeee) x^((( f f f f )2( g g g g ))( h h h h ) (iiii))( j j j j )=C (kkkk)` (llll) (mmmm) `( n n n n ) (oooo) (pppp) e^( q q q q ) (rrrr) (ssss) x^((( t t t t )2( u u u u ))( v v v v ) (wwww))( x x x x )(( y y y y ) (zzzz) y-1( a a a a a ))+( b b b b b ) e^( c c c c c ) (ddddd) (eeeee) y^((( f f f f f )2( g g g g g ))( h h h h h ) (iiiii))( j j j j j )=C (kkkkk)` (lllll)