A cube minus b cube is equal to


Asked by admin @ in Math viewed by 377 People


A cube minus b cube

Answered by admin @



Hello users ...

Here is the Answer you looking for ;

we know that:-
(a - b)³ = a³ - b³ - 3ab(a - b)

so, 
Here
a³ - b³ = (a - b)³ + 3ab ( a- b) Answer 

Or

=> a³ - b³ = (a - b) { (a - b)² + 3ab }

=> a³ - b³ = ( a - b) { a² + b² - 2ab + 3ab } 

=> a³ - b³ = (a - b) { a² + b² + ab} Answer 

# hope it helps :)

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