Qualification > Math
IGCSE MATHS Doubts
Adzel:
--- Quote from: A@di on May 11, 2010, 09:40:08 am ---11) T = 5/(v+1)
(v+1)T = 5
v+1 = 5/t
V = 5/T -1
--- End quote ---
I did that but the mark scheme says 5-T/T ???
Vin:
--- Quote from: Adzel on May 11, 2010, 09:44:10 am ---I did that but the mark scheme says 5-T/T ???
--- End quote ---
Is it
5-T
----
T
ur saying ..?
Ghost Of Highbury:
--- Quote from: Adzel on May 11, 2010, 09:44:10 am ---I did that but the mark scheme says 5-T/T ???
--- End quote ---
same thing
=
Ghost Of Highbury:
--- Quote from: A@di on May 11, 2010, 09:40:08 am ---11) T = 5/(v+1)
(v+1)T = 5
v+1 = 5/t
V = 5/T -1
14b) assume y= -2
do the calculations, arrange them in order
q16c) f(x) = x^1/3
y = x^1/3
x = y^1/3
x^3 = y
f-1(x) = x^3
q17c) Inner circle = 2PIr
outer circle = 2*pi*4r = 8PIr
total = 10PIr
--- End quote ---
ok answered all, check the ms and let me know if any silly errors..
Ghost Of Highbury:
--- Quote from: Adzel on May 11, 2010, 09:30:53 am ---Locus;
--- End quote ---
are u sure abt this?
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