Question: Implicit plot

I want to get data from implicit plot.

How can i do it.

The case which i am considering is

Pi^(1/2)*beta = 1.878297101/exp(20.00000001*beta^2)/erf(4.472135956*beta)-2.100000000*R1/exp(beta^2/R1^2)/erfc(beta/R1);

implicitplot(A, R1=0..1, beta=0..1);

I want to get the data fron this plot.

Can any one help me??

Thx

 

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