(X+Y)2-(X-Y)2 Tolong dibantu
Matematika
Fiola95
Pertanyaan
(X+Y)2-(X-Y)2
Tolong dibantu
Tolong dibantu
1 Jawaban
-
1. Jawaban andinf
(x+y)2-(x-y)2=2x+2y-2x+2y
=2x-2x+2y+2y
=4y