October 2018 2 21 Report
TOLONG JAWAB YA .JANGAN LUPA PAKE CARA PLS MAKASIH
Pangkat Al - Jabar
* Tanda titik dibaca kali (perkalian)
Contoh :
1.(a + b + c)^2
((a + b) + c)^2
((a + b)^2 + 2 . (a + b) (c) + c^2)
= (a^2 + 2 . a . b + b^2) + 2 (ac + bc) + c^2)
= a^2 + 2ab + b^2 + 2ac + 2bc + c^2
= a^2 + b^2 + c^2 + 2ab + 2ac + 2bc

PERTANYAAN :
3. -(a + 2b - 3c)^2
4. -(x - y + z)^2
5. (3a - 3b - 3c)^2

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JAGANGAN NGASAL YA ||
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