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medium • Past Paper
Expand: (2a - 3b)^3.
A
8a^3 - 27b^3 - 36a^2b + 54ab^2
B
8a^3 + 27b^3
C
8a^3 - 27b^3
D
8a^3 - 36a^2b + 54ab^2 + 27b^3