Toán Lớp 12: a,∫(1+x)^8 dx b,∫cos^4 x.sin x dx c,∫e^2x+3 dx -

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Toán Lớp 12: a,∫(1+x)^8 dx b,∫cos^4 x.sin x dx c,∫e^2x+3 dx