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I am new to mathematica and trying to solve and reduce the following:

Solve[1 - (1 - p^y)^(u (1 - p)) == a, y]

or

Reduce[1 - (1 - p^y)^(u (1 - p)) == a, y]

It does not seem to work, would be very grateful if someone can point out what I have done wrong.

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The general problem is too difficult. Are there any constraints that you can use? For example, if 0 < p < 1 and all values and functions are real

Reduce[
  {1 - (1 - p^y)^(u (1 - p)) == a, 0 < p < 1}, y, Reals] // 
 Simplify[#, 0 < p < 1] &

enter image description here

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  • $\begingroup$ Thank you, that was a good remark that I did not think of. $\endgroup$ – Seb Nov 5 '14 at 5:03

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