Question

(a + b)3 - a3 - a3solve solution​

Answer 1

Answer:

(a + b)³ - a³ - a³

= (a³ + b³ + 3a²b + 3ab²) - a³ - a³

= a³ + b³ + 3a²b + 3ab² - a³ - a³

= b³ + 3a²b + 3ab² - a² Ans

Step-by-step explanation:

one is + a³ and one is -a³

so, a³ - a³ = 0

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