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Re: Inverse function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg115592] Re: Inverse function
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Sat, 15 Jan 2011 04:48:10 -0500 (EST)

Solve[y == x^2, x]

{{x -> -Sqrt[y]}, {x -> Sqrt[y]}}

Reduce[y == x^2, x]

x == -Sqrt[y] || x == Sqrt[y]


Bob Hanlon

---- Arnold <sender999ster at gmail.com> wrote: 

=============
Function y=x^2 is given. Give, please, a code in WM-7 with which help it is possible to receive function, return the given. That is, x=g (y).
Thanks.



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