You should use a different font. Like Comic Sans, would reflect more your pathetic posts
and old hat documents.
Am Donnerstag, 9. November 2017 00:43:28 UTC+1 schrieb John Gabriel: > "It confuses me that you can set m+n equal to zero after you cancel out m+n in the ratio. Surely this is wrong?" > > Well, consider first that I proved the sum of all the terms in m and n must be zero using 8th grade algebra (see http://thenewcalculus.weebly.com) but also note that the slope of the tangent line does NOT depend on m or n so given the derivative as an expression in x and Q(x,m,n), it follows Q(x,m,n) must be zero, that is, m=n=0.