plot {((1e-10-10/x)*((1+x)^-10-1)+(-100+1e-10)), (((-100+1e-10)/((1+x)^10-1)-100)*x+10)*10, ((-100+10/x)*((1+x)^10-1) + (-100+1e-10))}, x = -0.1 .. 0.1

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