a3 + 1/8a3
⟹ (a)3 + (1/2a)3
Using the formula (a3 + b3) = (a + b) (a2 – ab + b2)
Here a = a and b = 1/2a.
⟹ (a + 1/2a)(a2 – 1/2 + 1/4a2)
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Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
