and in terms of the original coefficients
u(t,x1,x2 )
x1 exp ^-x2 J^ λ1 (s)ds^
exp fj^* (—λ^2∖r) σv (r) + b(r)^ f— ʃ ʌɑ∖s)ds^ dr^
exp ( [ - (^v(r))2 f— [ ʌɑ∖s)ds^ dr^ .
24
and in terms of the original coefficients
u(t,x1,x2 )
x1 exp ^-x2 J^ λ1 (s)ds^
exp fj^* (—λ^2∖r) σv (r) + b(r)^ f— ʃ ʌɑ∖s)ds^ dr^
exp ( [ - (^v(r))2 f— [ ʌɑ∖s)ds^ dr^ .
24