Equalities 1
Equalities 1
hrmacbeth.github.io
1. Proofs by calculation — The Mechanics of Proof, by Heather Macbeth
Let a and b be rational numbers and suppose that (a-b)=4 and a*b=1 . Show that (a+b)^2 = 20.
Equalities 1
1. Proofs by calculation — The Mechanics of Proof, by Heather Macbeth
Let a and b be rational numbers and suppose that (a-b)=4 and a*b=1 . Show that (a+b)^2 = 20.