Question

reciprocal of [(1/3)^2-(1/3)^3]

Answer 1

Answer:

(1/3)power2 - (1/3)power3

1/9 - 1/27

3/27 - 1/27

2/27 , recipocle.=27/2

thus, the recipocle of (1/3)power2 - (1/3)power3 = 27 / 2