Question

Reciprocal of[1/3)^2-(1/3)^3]×3^3​

Answer 1

Answer:

[(1/3)^2-(1/3)^3]×3^3

[1/3×1/3-1/3×1/3×1/3]×3^3

[1/9-1/27]×3^3

LCM of 9 & 27 is 27

[1/9×3-1/27]×3^3

[3/27-1/27]×3^3

[(3-1)/27]3^3

[2/27]×3^3

2/3^3×3^3

2×3^3-3

2×3^0

2×1

=2

reciprocal of 2 is 1/2

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