maths alevel hw help
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x=4,-1,0
what differentiation?
what differentiation?
Original post by louise18152
x=4,-1,0
what differentiation?
what differentiation?
i don't see where x=0 would come into it
if you don't know differentiation that's fine (it's a method you'll probably learn fairly soon anyway). i'm not sure how to do ii) without it though so i'd ask your teacher about that one!
how far have you got with part b)?
(edited 2 years ago)
Original post by louise18152
is that right?
yes, now you can simplify this down and you should just be left with x
for a?
idk what i would do
do i times by the 2 and 5
do i times by the 2 and 5
(edited 2 years ago)
Original post by louise18152
idk what i would do
do i times by the 2 and 5
do i times by the 2 and 5
can you use fact that a/b ÷ c/d = a/b x d/c ?
can you show me what you mean please
Original post by louise18152
????
=
can you combine the numerator into one fraction and the same for the denominator? then use the a/b ÷ c/d = a/b x d/c fact to simplify the entire fraction?
I'm heading offline now so i hope i've helped somewhat
i'd recommend looking over your notes for functions and manipulating algebra (fractions in particular) and practicing questions on these to build up your confidence 
also don't be scared to ask your teacher for help!note: is not the same as which is what you did in your most recent attachment
(edited 2 years ago)
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