Question

Bagaimana cara penyelesaian aljabar berikut (9xy-7ab)pangkat 6.....

tolong yah......makasih......

Answer 1

Pake segitiga pascal
1 6 15 20 15 6 1

ket :
. (titik) = dikali
1.9⁶x⁶y⁶ + 6.9⁵x⁵y⁵.(-7ab) + 15.9⁴x⁴y⁴.(-7ab)² + 20.9³x³y³.(-7ab)³ + 15.9²x²y².(-7ab)⁴ + 6.9xy.(-7ab)⁵ + 1.(-7ab)⁶

= 531441x⁶y⁶ - 2480058abx⁵y⁵ + 4822335a²b²x⁴y⁴ + -5000940a³b³x³y³ + 2917215a⁴b⁴x²y² - 907578a⁵b⁵xy + 117649a⁶b⁶

Answer 2

9^6x^6y^6-1 - 6.7.9^5x^5y^5ab + 15.7^2.9^4x^4y^4a^2b^2 - 20.7^3.9^3x^3y^3a^3b^3 + 15.7^4.9^2x^2y^2a^4b^4 - 6.7^5.9xya^5b^5 + 1-7^6a^6b^6