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Saturday, April 5, 2008
It was one of those generic Sundays. Never the less I'm happy with it. A good night's sleep , Hot roti prata for breakfast. Who would complain?

I'm currently stuck revising partial fractions and equations of circles.

EOC is MUCH easier than partial fractions.

All you need is remember the general formula which goes like this,

x^2 + y^2 + Dx + Ex + F = 0

Where , [ -D/2 , -E/2 ] is the centre and the radius is given by ,

[(D/2)^2 + (E/2)^2 -F]^-1/2


Alternate form is

(x - h )^2 + (y - k)^2 = r


So h is -D/2 and k is -E/2

So it's quite mechanical meaning my brains aren't fried YET.


Wait till partial fractions. I think it'be sizzling. Urrgh

Yet another beautiful day

Veritas

QIJIAN


TALK




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