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1. integral 2x² cos 5x dx =....2. integral 1 / 2 sin 7 / 2 x - 2 sin 2x dx =.....
1. cos(2x) - (1/7) cos(7x/2) + C
2. ...................
caranya terlampir utk no. 1 dan dan 2.
sorry kalo keputus2, soalnya ga muat.. hehehehe
semoga paham ya...