Information: Proof of equalities and inequalities

jean05

New member
Joined
Feb 2, 2017
Messages
10
Hi :D
This is from the syllabus im using:

Proofs of equalities and inequalities.jpg

i google it, but some of the examples i saw are above my level, if someone can tell me a introduction or maybe tell me a good resource for beginners in proofs ?
Thanks in advance (sorry if i wrote something wrong,im learning english)
 
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