Question

The reciprocal of [(1/3)^2-(1/3)^3
a) 27/2
b) -27/2
c) 27
d) -27

Answer 1

Answer:

a 27 /2

Step-by-step explanation:

• 1/3^2 - 1/3^3 = 1/9-1/27
• by taking LCM
• 3-1/27 =2/27
• the reciprocal of 27/2 is 2/27
• hence option a is correct

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