state gov Bihar Police Constable (सिपाही) Mock Test Series 2025 Quantitative Aptitude Algebra Identities
What is the value of \({\left( {a + b} \right)^3}\) - \(a^3\) + \(b^3\) ?
1
-3ab (a - b) + 2\(b^3\)
2
3ab(a + b) + 2b3
3
3ab(a-b) \(b^3\)
4
-3ab(a + b) + \(b^3\)