A-Math - Differentiation - Equations of Tangent and Normal
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| Topic: Differentiation |
When you differentiate the equation, the answer you get is NOT the
gradient. I repeat NOT. you have to substitute the x-coordinate into the
differentiated equation to get the gradient of that point.
Remember: The gradient of a quadratic curve( x^2) and cubic curve (x^3)
will change depending on the x-coordinate.
I created this Blog after my students told me that there is very little information about how to solve GCE O Level Math and Additional Math (A-Math) questions on the internet. Even if they manage to find, the solution were for very basic questions. I am a Full-time Math Tutor in Singapore. I tutor mainly in Northern Singapore (Woodlands, Chua Chu Kang, Bukit Panjang, Yishun and Sembawang). I also tutor in Johor Bahru.
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