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Re: MX2 Integration Marathon int(f(x))=int((f(a-x))?

https://www.khanacademy.org/math/integral-calculus/solid_revolution_topic/solid_of_revolution/v/solid-of-revolution--part-1 https://www.khanacademy.org/math/integral-calculus/solid_revolution_topic/solid_of_revolution/v/solid-of-revolution---part-2...

Make it easier: Formed from strong base KOH and weak acid H2CO3. Therefore the conjugate of h2co3 would HCO3- would be a strong base and the conjugate of KOH K+ would be a weak acid.

MX1 part not true. Rainbow Dont get into the habit of considering MX1 as easy.

No you would prove it an SHM if the acceleration was equal to -n^(2)x then it would be SHM.

It says something else in answers though. well I got the same answer as u.

K ty

i think its a sharp point.

Yes.

Economics

A test is scheduled with 7 exams. 2 of the exams are math and 1 of the exams is English. Math exams can be scheduled consecutively. i) how many ways can be scheduled? ii) If english is first find prob that math is second and then other math exam is last. Ty.

Re: MX2 Integration Marathon Hahahah what so I actually had the answer the whole time and I went through all that. Hahaha I used that fact you just showed in the answer I wrote. Look at the bottom of my answer. What was I thinking? But shouldnt I still get the same answer?

Re: MX2 Integration Marathon 1) sin (2n+1)x = sin (2n-1 +2)x = sin(2n-1)x cos(2x) - cos(2n-1)xsin(2x) = sin (2n-1)x (1-2sin^(2) x) - cos (2n-1)x(2cosxsinx) Expanding we get: sin (2n-1)x - 2sin(2n-1)xsin^(2)x +...

Yes I would add it but the thread wouldnt show the option. But then ofc it would make the results invalid.

Its not essential but I guess its worth learning.

Realistically speaking not sure if will work.

You can start tutoring.

Re: HSC 2014 4U Marathon Thanks. And any year 12 can participate that does 4u? or are there certain restrictions?

There you go. I am even more dead. I used both war and death.

And yet you keep going....