Expand the following.
(1 + 2a)³
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To be done using identity
Step-by-step explanation:
(x+y)³= x³ + 3x²y + 3xy²+y³
= (1)³ + 3(1)²(2a) + 3(1 )(2a)² + (2a)³
= 1 +6a+12a²+8a³
Answer:
(1+ 2a)³=1 +6a+12a²+8a³
hope it was helpful............
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