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Thanks a lot ! I got stuck while trying to equate -2to the difference in x's and y's.
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Thanks a lot ! I got stuck while trying to equate -2to the difference in x's and y's.
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in 9(ii)(a) how to get the negavtive angle
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in 4(ii) how to find the initial value of x
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how to solve 9(ii) with the method posted above (by ratio)
View attachment 61526 Need help with this. It's differential equation related.
I suppose you know how to do part (i), since it doesn't require differential equations at all.
I'll jump straight to part (ii).
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One thing worth noticing is that, when we use substitution to shift the integral from the h domain to the x domain, the boundaries need to change too.
In this case, on the h domain, we integrate from 81 to 64. However, when we are on to the x domain, the integral is then from 5 to 4.
Thanks for that
Als, a slight confusion in (i), when they say "the rate at which water flows out is constant" do they mean the (Inlet rate) - (Outlet rate) or just the rate of water flowing out ( i.e 900cm^3) ?
Magnitude of OA is 3 and magnitude of OB is 5 so 3:5.
how to do 7(iii).can someone plzz solve for me?
i got AP: PB as 3:5 but not getting OA:OB same as that
can someone plzz solve for me 10b(ii)...
Help with part (ii) ????
from where did u get 5- 2t
thank uOuch forgot to tell you this is from the answer to part (ii), sorry about that. The solution to that DE is r = 25 / (5 - 2t).
If you are interested in how this function is obtained, here's my work for part (ii).
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