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Hey guys, I've got the following 2 mark question on a problem sheet, but I can't seem able to do it. I'd appreciate any help, thanks.
Differentiate, from first principles, the following:
[tex]y=\sqrt(a^2-x^2)[/tex]
I know I have to take the limit as δx tends to 0 of [(f(x+δx)- f(x)]/δx but can't seem to manipulate the resultant expression in any way to get closer to an answer. I have never used this Latex thingy before, so hopefully it comes out OK.
Thanks in advance!
Differentiate, from first principles, the following:
[tex]y=\sqrt(a^2-x^2)[/tex]
I know I have to take the limit as δx tends to 0 of [(f(x+δx)- f(x)]/δx but can't seem to manipulate the resultant expression in any way to get closer to an answer. I have never used this Latex thingy before, so hopefully it comes out OK.
Thanks in advance!
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