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Differentiate C:dy/dx=4x+5When x=1dy/dx=4(1)+5dy/dx=9This is gradient of tangent.Gradient of normal=-1/9When x=1, y=4y-4=-1/9(x-1)y=(-1/9)x+(37/9)(-1/9)x+(37/9)=2x^2+5x-30=2x^2+(46/9)x-(64/9)x=1 or x=-32/...

There is a small journey to make before you can get up to harmonising Bach Chorales. I would first recommend purchasing a (cheap) copy of Riemenschneider complete Bach chorales, and taking the time (2 min...

1. Interphase: DNA and organelles replicate 2) Prophase: Chromosomes condense (and become visible! - made up of two sister chromatids joined by centromere), nuclear membrane breaks down, and centrioles...

One important aspect of Descartes epistemology is the reason for which Descartes employed the method of doubt in an attempt to reach knowledge. Although it may appear that Scepticism is incompatible with ...

A public good is a good that is non excludable and non rivalrous. Non excludable means that anyone can use it; the benefits are not limited to just those who paid for it. Non-Rivalrous means that consumpt...