Question Simplify the expression a3−9a2b+27ab2−27b3 Evaluate (a−3b)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression a3−3a2×3b+3a(3b)2−(3b)3Solution a3−9a2b+27ab2−27b3 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix