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C1 Soloman Differentiation questions help puhleasee :3

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Reply 20
Original post by Aph
Is that after differentiation?


Then when differentiated

dy/dx= 1/3x^1/2 - x^-1/2 + 1/2x^-3/2

EDIT:

dy/dx = 1/2x^1/2 - x^-1/2 + 1/2x^-3/2
(edited 8 years ago)
Reply 21
Original post by Dinaa
Then when differentiated

dy/dx= 1/3x^1/2 - x^-1/2 + 1/2x^-3/2

You differentiated incorrectly.
Reply 22
Original post by Aph
You differentiated incorrectly.



Check the edit :colondollar:
Reply 23
Original post by Dinaa
Then when differentiated

dy/dx= 1/3x^1/2 - x^-1/2 + 1/2x^-3/2

EDIT:

dy/dx = 1/2x^1/2 - x^-1/2 + 1/2x^-3/2

That's correct. Now what do you want to do?
Reply 24
Original post by Aph
That's correct. Now what do you want to do?


Express in the form (x+a)^2/(bx^3/2)

find a and b
Reply 25
Original post by Dinaa
Express in the form (x+a)^2/(bx^3/2)

find a and b

So... Do it:smile:
Reply 26
Original post by Aph
So... Do it:smile:


I don't know how to do that :rofl:

I think

let me try again :tongue:
Reply 27
Original post by Dinaa
I don't know how to do that :rofl:

I think

let me try again :tongue:

It's just a bit of simple maths. I know you can do it:rolleyes:
Original post by Dinaa
I don't know how to do that :rofl:

I think

let me try again :tongue:


What could you do to get rid of fractions...

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Reply 29
Original post by Aph
It's just a bit of simple maths. I know you can do it:rolleyes:


Original post by samb1234
What could you do to get rid of fractions...

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I got

1/3x - 1 + 1/4x

lol so so wrong :colondollar:
21?
Reply 31
Original post by Dinaa
I got

1/3x - 1 + 1/4x

lol so so wrong :colondollar:

You got the differential right, you just need to use that.
Reply 32
Original post by Dilzo999
21?


Rofl eff off :lol:

Original post by Aph
You got the differential right, you just need to use that.


Omadaizz.. It was correct? :O :woo:
Reply 33
Original post by Dinaa
Rofl eff off :lol:



Omadaizz.. It was correct? :O :woo:

Your differentiation was, what you just gave wasn't.
Reply 34
Original post by Aph
Your differentiation was, what you just gave wasn't.



lolololol was gonna say, kind of knew it was wrong :lol:
Reply 35
Ok so that question we shall leave for now.. :K:

I have more but nvm, I feel like I've asked too much :blushing:
Erm, should i be doing solomon papers? My teacher said they were a waste of time...
Original post by Dinaa
Ok so that question we shall leave for now.. :K:

I have more but nvm, I feel like I've asked too much :blushing:


If the end answer is being divided by something, what does that mean you must have done at some point

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Reply 38
Original post by Dinaa
lolololol was gonna say, kind of knew it was wrong :lol:

The answer isn't that hard to find, and don't worry about asking a lot. We are here to help.
Reply 39
Original post by samb1234
If the end answer is being divided by something, what does that mean you must have done at some point

Posted from TSR Mobile


Original post by Aph
The answer isn't that hard to find, and don't worry about asking a lot. We are here to help.


I don't know, I'm confused :redface:

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