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Hello everyone. WARNING: the following is probably bodgy late-night maths, but here goes oh, and S stands for integral sign Vi=|([c-sin(xi)]^2-[c-0]^2)|πdx V=πS([c-sin(x)]^2-c^2)dx V=πS(sin^2(x)-2csin(x))dx V=πS(1/2[1-cos(2x)]-2csin(x))dx V=π[x/2-1/4sin(2x)+2ccos(x)] dV/dc= π[2sin(x)]...

Well, here is a topic test (1.25 hours length) that I got 71% in, though I'd only spent 1 lesson on polynomials (got 87% without them) I've covered advanced 3 unit topics, my 3 unit class is sort of on schedule, I've done all of 2 unit, polynomials, curve sketching, conics and complex. Is...

I am the only person at my school doing extension 2 maths, and the only one for 3 years. Also, noone for at least 50 k's is doing it. HELP!!! How do I compare standards, see how I am doing, etc? Unique