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your sig looks stalkerish. no offense!

just out of curiosity can these questions be done without calculus, because we have learnt the topic but not calculus.

thankyou spi for the pic

yep, yep i get it thanks for your help.

my question is how can AO be the diameter if O is the center, like shouldn't AO be the radius

hey guys, i am just attempting a circle geometry question which i just cant seem to get the sketch for, i think it might be wrong unless i am retarded or something. here goes. AB is a chord of a circle, center O. the circle with AO as the diameter cuts AB at c.prove that C is the midpoint of AB.

may i ask what textbook this, i like the worked solutions.

why did you have to remind me.

i dont have any EDIT: WHY DOESNT THE NAME APPEAR WHEN I QUOTE PEOPLE.

hey guys i am just having troubles with a polynomials question. ok here goes if one root of the equation x^3-bx^2+cx-d=0 is equal to the product of the other two, show that (c+d)^2=d(b+1)^2 thanks in advance.

this!, most of yous would remember my post about me having troubles with circle geometry but after doing this thick printout of literally over 100 questions i believe i am quite solid, its all about exposing yourself to a variety of questions.

spiralflex how did you get from here to there. [tex.][/tex.] [tex.][/tex.]

thank you so much spiralflex and spreadtheword. spiralflex you sure seem to know all your derivations. edit:it wont let me rep you. sorry!

i have a physics portfolio to do:mad:, and one of the questions asks you to derive Kepler's third law of periods. i cant seem to find any resources that give a derivation that i can understand even slightly. any help would be greatly appreciated. r^3/T^2=GM/4pi^2

this kinda sounds like you are saying she wont reach her atar goal.

i see, thanks anyways

what are the best type of past papers to study for the prelim yearly and if anyone has some may they prease post them up as i want to start doing past papers. thanks

why would you need both

well i go to a catholic school and we have some teachers who are authors. my maths teacher is a author and another teacher is a author who wrote book for geo, eco and business. but my physics teacher is horrible.

it is easy in that the logic behind it is understandable, but imo some question are very hard to prove.