Prove that . How do i prove this? thank you...
Follow Math Help Forum on Facebook and Google+
A possibility is to take the square of both sides.
Originally Posted by MichaelLight Prove that . How do i prove this? thank you... (Squaring both sides) (Squaring both sides) which is true.
Originally Posted by MichaelLight Prove that . How do i prove this? thank you... Suppose otherwise, then by assumption: Now square both sides and follow the consequences to get a contradiction. CB
Originally Posted by alexmahone (Squaring both sides) (Squaring both sides) which is true. Normally, one would NOT start a proof by assuming what you want to prove, as alexmahone does here. However, this is a perfectly valid "synthetic proof". Every step is invertible. A "standard" proof would be given by going from "320< 324" upward.
View Tag Cloud