e^2x+1=a/2 x=e^2x+1=a/2 x=

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e^2x+1=a/2 x=e^2x+1=a/2 x=
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e^2x+1=a/2 x=e^2x+1=a/2 x=
e^2x+1=a/2 x=
e^2x+1=a/2 x=

e^2x+1=a/2 x=e^2x+1=a/2 x=
e^2x+1=a/2 =>e^2x=a/2 -1
2x=ln(a/2 -1)
x=(1/2)•ln(a/2 -1)