solve the system $\displaystyle (1+4^{2x-y})5^{1-2x+y}=1+2^{2x-y+1}$ $\displaystyle y^3+4x+1+\ln(y^2+2x)=0$
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$\displaystyle x=0,\ y=-1$ PS: Solution
Last edited by JaneBennet; Mar 14th 2008 at 11:49 AM.
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