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tito981's latest activity
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tito981
reacted to
idkkdi's post
in the thread
Electromagnetic induction
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for why an electric field creates a magnetic field, you would have to look at mod 7, which basically just recites stuff like Ampere's...
Friday at 12:01 PM
T
tito981
replied to the thread
Electromagnetic induction
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So there is a current carrying wire which produces its own magnetic field. Relative motion between a electromagnet and a wire causes...
Thursday at 8:05 PM
T
tito981
reacted to
quickoats's post
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What should I be doing in my spare time?
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blackpenredpen marathons?
Feb 23, 2021
T
tito981
replied to the thread
Which of these subjects do I need to apply myself the hardest in order to well and score a 95+ atar and which one can i just bludge a bit.
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if your interested in what marks you roughly will need to get a 95 go to talent 100's atar calc and the column that says atar equivalent...
Feb 22, 2021
T
tito981
replied to the thread
Which of these subjects do I need to apply myself the hardest in order to well and score a 95+ atar and which one can i just bludge a bit.
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eng and modern scale the best out of those subjects and due to legal and business's poo poo scaling you will have to do a better in...
Feb 22, 2021
T
tito981
replied to the thread
Selective School Entry 2022
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this happens with every HAST school, it just means that you sit the exam at your preference 1 school, and the other schools just take...
Feb 9, 2021
T
tito981
replied to the thread
Selective School Entry 2022
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if your good at selective tests style exams do the HAST, i think there are also other good schools who offer positions based on HAST. If...
Feb 9, 2021
T
tito981
replied to the thread
MX2 Integration Marathon 2021
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once u learn math properly u never forget.
Feb 2, 2021
T
tito981
reacted to
notme123's post
in the thread
MX2 Integration Marathon 2021
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\int\frac{\tan^{-1}x}{1+\frac{1}{x^2}}dx =\int\frac{x^2\tan^{-1}x}{1+x^2}dx u=\arctan(x) dx=(1+x^2) du \int\(x^2)udu = \int...
Feb 1, 2021
T
tito981
reacted to
Qeru's post
in the thread
MX2 Integration Marathon 2021
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Let x=\sin{u} \implies dx=\cos{u} du \int x dx =\int \sin{u} \cos{u} du =\frac{1}{2}\int \sin{2u} du =-\frac{1}{4} \cos{2u}+C...
Feb 1, 2021
T
tito981
reacted to
Qeru's post
in the thread
MX2 Integration Marathon 2021
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\int \frac{1}{x+x^6}dx =\int \frac{1}{x^6(\frac{1}{x^5}+1)} dx =-\frac{1}{5}\ln \left| \frac{1}{x^5}+1 \right|+C OR \int...
Feb 1, 2021
T
tito981
posted the thread
MX2 Integration Marathon 2021
in
Mathematics Extension 2
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This is the 2021 integration marathon thread, as i have noticed users submitting integrals on previous year's threads. I will start...
Feb 1, 2021
T
tito981
replied to the thread
Properties of definite integrals
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He didnt integrate, he realized it was a semi circle and after a sub and then he used the area of a circle formula to find the area...
Jan 30, 2021
T
tito981
reacted to
Qeru's post
in the thread
MX2 Integration Marathon
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We can use the divide by x^2 on the top and bottom trick: \int \frac{x^2-1}{\left(x^2+1\right)\sqrt{x^4+1}}dx I=\int...
Jan 30, 2021
T
tito981
reacted to
Trebla's post
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Maths-Ext 1/2 Marks Lost and Hardest Topics
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Reverse product/quotient rule is literally equivalent to integration by parts in the same way that reverse chain rule is equivalent to...
Jan 20, 2021
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