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try2


\int_{0}^{1}\frac{x^{4}\left(1-x\right)^{4}}{1+x^{2}}dx
=\frac{22}{7}-\pi




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\int_{-\infty}^{\infty}e^{-x^{2}}\;dx=\sqrt{\pi}






11









10

dsd



9

i



8

g



7

f



6

f



5

e



4

d



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c



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b



1

a