Prove int_0^1 1/(1+x^4)dx in [pi /4,1]
Prove int_0^1 1/(1+x^4)dx in [pi /4,1]
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+1 862 207 3288
+1 862 207 3288 Prove int_0^1 1/(1+x^4)dx in [pi /4,1]
Prove int_0^1 1/(1+x^4)dx in [pi /4,1]