also are we allowed to use am/gm for greater than 2 without proof (unless the question specifically asks to prove it)
because ive seen trials where am/gm for 3/4 is allowed to be used without proof
is this the case for hsc?
how on earth are we supposed to do some inequality proofs
genuinely some of them you just have to pull the method out of your ass
is it worth memorising them? like im legit contemplating it at this point