Question

please help me

I Will mark you brainlist
and
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Answer 1

Answer:

⇒ 8a³ - 1/27b³

⇒ (2a)³ - (1/3b)³

⇒  x³ -  y³

⇒  (x - y)³      =  x³ - 3x²y + 3xy² - y³

⇒ (2a)³ - 3(2a)²(3b) + 3(2a)(3b)² - (3b)³

⇒ 8a³  - 18a²b + 18ab² - 27b³

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Answer 2

here is your answer...

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