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Eliminate the arbitrary function from 2=xy+f(x^2+y^2) to obtain the partial differencial equation.


A composite wall is formed of a 2.5 cm copper plate (k=385 W/m-K). a 3.2 cm layer of

asbestos (k=0.2 W/m-K), and a 5 cm layer of fibreglass (k=0.045 W/m-K). The wall is subjected to an overall temperature drop of 560

∮|z|=1 (z+z̄)dz


The residue at z=2 of the function 2z/(2-z)(z+2) is


∮|z|=1 (2z+z̄)dz


Let f(z)=sinz/z^{4} . Then z=0 is


The radius of convergence of the Taylor series expansion of the function f(z)=4z^{2}+3z/(z-1)^{2}(z+4)(z-3) abou z=-1 is


The function f(z)=|z|^{2} is differentiable


The solution of p^{2}+q^{2}=2 is


The singular integral of z=xp+yq-logpq


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