October 23rd, 2014, 06:19 AM  #1 
Newbie Joined: Sep 2014 From: Bangladesh Posts: 4 Thanks: 0  Gradient of a point in a curve
Could someone please explain to me the theory of differentiation? My school doesn't teach additional maths/pure maths, and what I know is that calculus is a part of it. If not, then differentiation must be, because I have not been taught it. Still, differentiation popped up in plenty of problems in my maths and physics books. It would be very helpful if someone explained differentiation. Any other way to find the gradient of a point in a curve would be helpful. 
October 23rd, 2014, 08:48 AM  #2 
Senior Member Joined: Apr 2014 From: Glasgow Posts: 2,156 Thanks: 731 Math Focus: Physics, mathematical modelling, numerical and computational solutions 
Try watching this video and follow the maths it goes through. Differentiation from first principles : ExamSolutions 
October 24th, 2014, 10:24 AM  #3 
Senior Member Joined: Oct 2014 From: EU Posts: 224 Thanks: 26 Math Focus: Calculus 
In addition, I suggest to avoid using tables from the first times and differentiate from the first principles. Here some solved problems by proof of first principles: https://www.math.ucdavis.edu/~kouba/ProblemsList.html 

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curve, gradient, point 
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