2A + 1 ka whole cube + A minus 1 ka whole cube
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Answered by
2
Answer:
Dude your answer is 9a³ + 9a + 2.
Step-by-step explanation:
= (2a+1)³+ (a+1)³
= (2a)³ + (1)³ + 3(2a×1) ± (a)³ + (1)³ + 3(a×1)
= 8a³ + 1 + 6a + a³+1+3a
= 9a³ + 9a + 2.
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Answered by
0
Step-by-step explanation:
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