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Question: problem with an ode

Question:problem with an ode

mehdi jafari 754 Maple
ode differential-equation dsolve
July 04 2017
0

i want to solve an ode , but maple return an integral in result, how can i have an answer?


 

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restart:
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eq:=1/(x*y^(2/3))*8.620689655172415*10^(-16)*(-3.11*10^23*x^2*y^(7/6)-3.92*10^19*y^(25/6)+2.14545039999999*10^29*(0.0108*exp(-45.07/y)+exp(-19.98/y^(1/3)-0.00935317203476387*y^2)))/(x+0.015*y^(1.2));

0.8620689655e-15*(-0.3110000000e24*x^2*y^(7/6)-0.3920000000e20*y^(25/6)+0.2317086432e28*exp(-45.07/y)+0.2145450400e30*exp(-19.98/y^(1/3)-0.935317203476387e-2*y^2))/(x*y^(2/3)*(x+0.15e-1*y^1.2))

 (1)
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eq:=subs(y=y(t),eq):
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ans:=dsolve(diff(y(t),t)=eq);

t+Intat((12500/1724137931)*x*_a^(2/3)*(3*_a^(6/5)+200*x)/(49*_a^(25/6)+388750*x^2*_a^(7/6)-2896358040*exp(-(4507/100)/_a)-268181300000*exp(-(1/100000000000000000)*(935317203476387*_a^(7/3)+1998000000000000000)/_a^(1/3))), _a = y(t))+_C1 = 0

 (2)
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