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Some basic Maths (Posted on 2013-01-19) Difficulty: 3 of 5
If a = 91/3 - 31/3 + 1,

what is the value of [(4-a)/a]6

No Solution Yet Submitted by Danish Ahmed Khan    
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solution Comment 2 of 2 |
a - 4 = 9^1/3 - 3^1/3 - 3 = 3^1/3(3^1/3 - 1 - 3^2/3) = 3^1/3(-a)

and (3^1/3(a)/a)^6 = 3^2 = 9.   

  Posted by xdog on 2013-01-19 16:05:58
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