find the domain f(x)=sqrt{x^2/x^2-6x+8}
Follow Math Help Forum on Facebook and Google+
Originally Posted by oneway1225 find the domain f(x)=sqrt{x^2/x^2-6x+8} You require the solutions to . Case 1: Solve the simultaneous inequations AND . Case 2: Solve the simultaneous inequations AND .
or easily, since what you want is you may want to create this table of signs.. just complete the table.. and determine which interval do you need.. (i hope this is familiar to you.. )
Last edited by kalagota; December 24th 2008 at 07:21 AM.
You don't have to consider since it's always positive, just analize the denominator.
Originally Posted by Krizalid You don't have to consider since it's always positive, just analize the denominator. yeah, thank mistake.. it should be positive.. thus the product below should be positive..
View Tag Cloud