Qualification > Math
C1 and C2 DOUBTS HERE!!!!!
astarmathsandphysics:
Hocus pocus
Any sigma notation question in C1 uses a standard formula I think so just use that
zabady:
in june 2009 question 8 c) where it asks for the area of ocb area of a triangle is 1/2 *base*height so i have taken the base as 23/5 and height as square root 68 because b= (8,2) so found distance ob but in the markscheme it says 1/2*23/5*8 where did that 8 come from everytime i see this way of solving........i dont get it why dont they put square root 68????
astarmathsandphysics:
is this edexcel c1
Saladin:
--- Quote from: astarmathsandphysics on May 23, 2010, 06:43:15 pm ---is this edexcel c1
--- End quote ---
yes.
zabady:
plz someone answer my question upstairs the exam is tommorow
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