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solve the equation below:
d^2y/dx^2=cos x + sin x,
y(0)=0
y(pi)=0 and
the correct answer is y= - cos x - sin x -(2x/pi) + 1
but how? I need working
thanks
d^2y/dx^2=cos x + sin x,
y(0)=0
y(pi)=0 and
the correct answer is y= - cos x - sin x -(2x/pi) + 1
but how? I need working
thanks