3. Sederhanakan operasi Aljabar berikut ini.
a. y³ × 2y⁷ × (3y)²
Jawaban:
= y³ × 2 × y⁷ × 9y²
= 2 × 9 × y³ × y⁷ × y²
= 18 × y²⁺⁷⁺²
= 18y¹²
b. b × 2y² × b³ × y²
Jawaban:
= 2 × b × b³ × y⁷ × y²
= 2b⁴y⁹
c. 3m³ × (mn)⁴
Jawaban:
= 3 × m³ × m⁴ × n⁴
= 3m⁷n⁴
d. (tn³)⁴ × 4t³
Jawaban:
= t⁴ × n¹² × 4 × t³
= 4n¹²t⁴⁺³
= 4n¹²t⁷
e. (2x³) × 3(x²y²)³ × 5y⁴