1.

Let y=y(x) be the solution of the differential equation (y+1)tan2xdx+tanxdy+ydx=0,x∈(0,π2). If limx→0−xy(x)=1, then the value of y(π4) is

Answer»

Let y=y(x) be the solution of the differential equation (y+1)tan2xdx+tanxdy+ydx=0,x(0,π2). If limx0xy(x)=1, then the value of y(π4) is



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