This video explains a simple math concept that’s even easier than solving a quadratic equation. With clear logic and intuitive steps, you’ll see how breaking problems down the right way can make math ...
Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...
From the blue-and-black symmetries of a butterfly TO the mazelike grooves of a brain coral, nature reveals itself as a great artist, switching off between painting and sculpture. Nature should also ...
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