out of slide rule, kfunk, who_loves_maths and finalfantasy who do u thinks most likely to top 4u this yr?
id say its a close call between slide rule and who_loves_maths
0<sup>0</sup> can be looked at as x<sup>x</sup> as x → 0
x<sup>x</sup> = e<sup>xlog<sub>e</sub>x</sup>
using l'hopital's rule, xlog<sub>e</sub>x → 0 as x → 0
:. x<sup>x</sup> as x → 0 goes to e<sup>0</sup> which equals 1
:. 0<sup>0</sup> can be interpreted as 1
when analysing the <sup>0</sup>/<sub>0</sub> situation, using l'hopital's rule often helps
<sup>f(x)</sup>/<sub>g(x)</sub> as x approaches a equals <sup>f'(x)</sup>/<sub>g'(x)</sub> if f(x) and g(x) approach o or infinity as x approaches a
when u get a situation <sup>f(x)</sup>/<sub>g(x)</sub> where f(x) and g(x) approach 0 as x approaches some value, the value of <sup>f(x)</sup>/<sub>g(x)</sub> isnt necessarily 1 because it depends on the manner in which f(x) and g(x) approach 0
e.g.
<sup>2<sup>x</sup>-1</sup>/<sub>x</sub>...
i think its ok to use formulas but u should always make sure u completely understand how it works and how it is derived
in 4u u get rewarded for understanding how things work but unfortunately alot of teachers at bad schools are extremely lazy and try to teach the course through formula...
in maths almost all of the new work u cover will depend on something youve learnt before which means u still have to learn the 2 unit course
but dont worry because after you first learn the 2 unit course u wont have to revise it as it is revised through all the new work u will cover in 3 and...
my maths tutor said its ok to use the dv = 2πx . f(x) . dx method but u should draw a cyclinder and write:
radius = ...
height = ...
width = ...
just to be sure u get all available marks
going from first principals for each specific question in an exam is very time consuming and...
Hey Ogden_Nash, sorry ive taken so long to reply
for 4d part iv:
x = <sup>10pq</sup>/<sub>p+q</sub> ..... [1]
y = <sup>10</sup>/<sub>p+q</sub> ..... [2]
p+q = 3 ..... [3]
so from [2] and [3] y = <sup>10</sup>/<sub>3</sub>
However, from [1] and [3]
:. x =...
hey gman03, just wondering does the workload for elec eng get lighter in the second yr?
also, thanks again for all ur help answering those maths q's before
math1081 - 75
math1141 - 91
does anyone know when the phys1131 results come back? i hope the scalings good enough to push my mark over the 40% required to pass