What is the value of (a+b)³

1.	What is the value of (a+b)³
Answer» (a+b)whole cube =a cube +3a square b+3ab square + b cube...... (a + b)3= a3 + 3a2b + 3ab2 + b3 ; (a + b)3 = a3 + b3 + 3ab(a + b)(a – b)3 = a3 – 3a2b + 3ab2 – b3 (a+b)3=a3+b3+3ab(a+b)

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