a3 + 1/8a3⟹ (a)3 + (1/2a)3Using the formula (a3 + b3) = (a + b) (a2 – ab + b2)Here a = a and b = 1/2a.⟹ (a + 1/2a)(a2 – 1/2 + 1/4a2)

Q. 1 F

Use the formula t

Answer :

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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