Qualification > Math
C1 and C2 DOUBTS HERE!!!!!
halosh92:
--- Quote from: Engraved on May 27, 2010, 04:52:25 pm ---We need to find in terms of r.
Therefore, the volume is equal to,
Now you need to find what makes the surface area.
2 sectors + 2 rectangles + curved face
So,
I hope that explains everything.
--- End quote ---
gr8!!!!!!!!!!!!!! THANKYOU ;)
Saladin:
--- Quote from: halosh92 on May 27, 2010, 05:25:17 pm ---gr8!!!!!!!!!!!!!! THANKYOU ;)
--- End quote ---
Engraved signing off. 8)
halosh92:
may/june 2007 C2 edexcel
Q9a
someone plzz explain why were not starting fomr zero :s
Saladin:
--- Quote from: halosh92 on May 28, 2010, 08:14:16 pm ---may/june 2007 C2 edexcel
Q9a
someone plzz explain why were not starting fomr zero :s
--- End quote ---
Your question does not make sense.
halosh92:
--- Quote from: Engraved on May 28, 2010, 08:15:52 pm ---Your question does not make sense.
--- End quote ---
if u look at the marking scheme the curve is staring from 0.5 not from 0
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