( a+b )² - ( a-b ) = ??
Matematika
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Pertanyaan
( a+b )² - ( a-b ) = ??
1 Jawaban
-
1. Jawaban Pakardieman
Ijinkan saya coba bantu jawab
--> (a + b)² - (a - b)
= a² + 2ab + b² - a + b
= -a + a² + b + b² +2ab
= - a (1 - a) + b (1 - b) + 2ab