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on the bottom line in denominator i got cosy instead of cosx, but apart from that i got wat u got, i dont hv the answer on me but once i get it ill notify u thanks NB i shudve put this in the tertiary forum sorry

its a completely different question to the 1st thing i posted on here sorry, so the question is find dy/dx of y=x^siny + x

oh k so wat wud be the derivative with respect to x of this equation : y=x^siny + x i got 2 this step but im nto sure how much of it is right: dy/dx=(lnx.cosy.dy/dx + siny.1/x).e^sinylnx + 1

whats the derivitive wiht respect to x of ln(y-x) , i think u use implicit differentiation but i dont know how to do it

It may seem an easy area but can any1 explain how u derive the equations of them please

woops sorry thnx

<HR style="BACKGROUND-COLOR: #d1d1e1; COLOR: #d1d1e1" SIZE=1> <!-- google_ad_section_start -->When it says determine the cartesian equation of the locus etc.. is it ok if u just leave it as say x^2=4ay or do u hv to say with vertex (0,0) and focus (0,a) Example: show that T is constrained to...

When it says determine the cartesian equation of the locus etc.. is it ok if u just leave it as say x^2=4ay or do u hv to say with vertex (0,0) and focus (0,a) Example: show that T is constrained to move on a parabola, the answer becomes x^2=4 * a/2(y+a) then the answer sed: this is the...

What do u think ill get , these ranks r overall 4 yr 12: English Adv 14/89 Maths Adv 2/61 Maths Ext 5/21 Biology 11/50 Physics 4/33 Engineering Studies 1/14 SOR 1 23/125 School rank: 81 Thanks

wat shud u be getting then?

kool thnx:devil:

is it worth not studyign 4 SOR 1 wen its my lowest ranked subject even tho i got 29/50 for it n i got 28/50 for 3 unit?

how can i find out my scool rank?

i hv no idea they dont give it 2 us,

wat do u think ill get , these ranks r overall 4 yr 12: english adv 14/89 maths adv 2/61 maths ext 1 5/21 bio 11/50 physics 4/33 engineering 1/14 :sun:

do u need 2 go 4 any interviews 4 the syd uni scholarship 1?

oh k n does beta decay usually follow alpha decay and vice versa?

y do sum radioactive materials such as iodine only accumulate in specific oragns such as the thyroid gland?

what determines if a substance undergoes alpha or beta decay?

thnx u 2:sun: