Urgent Ex 24 et 25 je ne comprend pas comment faire.... Pergunta de ideia deMe08

April 2019 1 60 Report

Urgent Ex 24 et 25 je ne comprend pas comment faire

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slyz007

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Ex24
1) si x ∈ [1;5], x²-1≥0
2) on en déduit que $\int\limits^5_1 {(x^{2}-1)} \, dx \geq 0$

Ex25
1) lnx≥0 sur [1;2]
2) On en déduit que $\int\limits^2_1 {lnx} \, dx \geq 0$
3) $\int\limits^2_1 {lnx} \, dx$ ≈ 0,386

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