(x+2)² (x+2)³ barapa kah hasilnya
Matematika
anandasyah1
Pertanyaan
(x+2)² (x+2)³ barapa kah hasilnya
1 Jawaban
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1. Jawaban IC4L
* (x+2)² = x²+(2 × 2 × x) +4 ---------------------->rumus (a+b)²= a²+2ab+b²
= x² + 4x + 4
* (x+2)³ = x³ + (3x² × 2) + (3x × 2²) + 2³ ---->rumus (a+b)³ = a³+3a²b+3ab²+b³
= x³ + 6x² + (3x × 2²) + 2³
= x³ + 6x² + 12x +8
* (x+2)² (x+2)³ = x^5 + 10x^4 +40x³ + 80x² + 80x +32