have to reduce my careless mistakes in maths..
latest #19
SHHH~~~~ UR MARKS STILL NOT HAPPY?!?!?
my 1 page still wif me =,=lll
6 marks oni~~ give mrs siow as CPF reward
eh what does for all real values of x means?
see textbook the always negative and always postive part
AIYARHX IN SHORT, UR DISCRIMINANT < 0
negative de is discriminant < 0
positive de is discriminant > 0
i mean. why is all real values < 0 ?
HUH ?! I thought all real values shld be less than or equal to 0 ? :x
ALL DISCRIMINANTS OF ALWAYS POSITIVE AND NEGATIVE < 0!!! @.@
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