Tính giới hạn \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaciiBaiaacM % gacaGGTbWaamWaaeaadaWcaaqaaiaaigdaaeaacaaIXaGaaiOlaiaa % iodaaaGaey4kaSYaaSaaaeaacaaIXaaabaGaaGOmaiaac6cacaaI0a % aaaiabgUcaRiaac6cacaGGUaGaaiOlaiaac6cacqGHRaWkdaWcaaqa % aiaaigdaaeaacaWGUbWaaeWaaeaacaWGUbGaey4kaSIaaGOmaaGaay % jkaiaawMcaaaaaaiaawUfacaGLDbaaaaa!4BE8! \lim \left[ {\frac{1}{{1.3}} + \frac{1}{{2.4}} + .... + \frac{1}{{n\left( {n + 2} \right)}}} \right]\)

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