September 2018 1 24 Report
Mohon bantuannya ya.

1.hitunglah jumlah deret tak hingga
1-tan²x + tan²x - .... (-1) pangkat n tan pangkat zn x + ... ?

2. Tent.tiga suku pertama barisan geometri jika ditulis 1/18 dan r = 1/3 ?

3.tent.banyak suku barisan geometri 3,-6,-12,...,768 ?
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