equation of inverse of

i know you swap the x and y and then solve for y but I get stuck.

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- February 11th 2009, 10:19 PMbrentwoodbcequation of inverse
equation of inverse of

i know you swap the x and y and then solve for y but I get stuck. - February 11th 2009, 10:38 PMADARSH
-Swap x and y

so

Next add one to both sides

so

Now Multiply both sides with

Deduct 2 from both sides

the thing on RHS is your inverse:) - February 11th 2009, 10:43 PMbrentwoodbc
thank you! I got to the point of multiplying and I just multiplied by the recipocal so I got something like xy = -y +2x -1 If that makes any sense (obv.wrong.)

I understand know so thank you. - February 11th 2009, 10:50 PMADARSH