Question: The error function is defined as erf(2)= dt e-t Show by considering the complementary error function erfc(x) = 1-erf(x) and integrating by parts that

The error function is defined as erf(2)= dt e-t Show by considering

The error function is defined as erf(2)= dt e-t Show by considering the complementary error function erfc(x) = 1-erf(x) and integrating by parts that 1 n=0 71 (-1)" (2n-1)!! xn2n erf(x) ~ 1 where (2n-1)!! = (2n-1)(2n-3).-- (3) (1) Explain why this is an asymptotic expansion of the error function.

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