Question

Plis tlong bntu
Jabarkan perpangkatan bentuk aljabar berikut:
a.(2y^2 - y) ^3

Answer 1

(2y²-y)³ = a³ +2a²b + 2ab² + b³
= 8y^6 +2(4y^4 -y) + 2(2y-y²) - y³
= 8y^6 +8y^4-2y + 4y-2y² - y³
= 8y^6 +8y^4 -y^3 -2y^2 +2y


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