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How do you solve them? E.g something like y''+2y'+y=0

Who has survived a lesson without falling asleep?

Equal chords/arcs subtend equal angles at the centre. Therefore equal chords/arcs subtend equal angles at the circumference? That true?

Is there any point studying 2unit Probability if you're thinking or are doing ext2?

Fitzpatrick: 20c Q16 and onwards. What the hell do they mean by common tangent? Aren't tangents like, continuous in this case? I'll give an example. Two circles of radii 5cm and 8cm touch each other externally. Calculate the common tangent. Wtf isnt the tangent like the point where...

Is infinity x 0 = -1?

Should an essay with an evaluate question follow this structure? (note evaluting 2 texts) Intro Text 1 Text 2 Concl OR Intro Text 1 and 2 toegther Concl Thx

Essays need a thesis right? So how can you come up of a thesis for a question "How does "text" convey journeys?" I know you're meant to add techniques, quotes and explanation. How should a thesis for a "how" question be like?

Hehe

I found this question quite interesting. Note this isn't the full question, but the part that made it interesting. Without using a 3 unit method, Fully factorise: 2x^{3}-14x+12

What wave does the internet use?

This is from Year 12 Cambridge 2unit Chp 2F Q16. Show that the curves y=e^x and y = (e-1)x + 1 meet at (0,1) and (1,e)

Differentiate: (x+5)^4 ----------- = y (x-3)

Evaluate 3|x| where x is not = to 0 ````````----- `````````x What did you guys get? i got +/- 3. Is this correct? Sorry for such an easy question, but im kinda confused. And how do you type those kind of problems in these forums?