if , then or .
Im not sure how to prove this.
I tried this method here from the user xalk, but it didnt seem to work for this question even though this one is similar.
http://www.mathhelpforum.com/math-he...gic-proof.html
if , then or .
Im not sure how to prove this.
I tried this method here from the user xalk, but it didnt seem to work for this question even though this one is similar.
http://www.mathhelpforum.com/math-he...gic-proof.html