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Hey guys, I've been doing some maths and have been stuck on these 3 questions. 1 If f(x) = ln(2-x)^1/2 find f'(1) 2. Differentiate e^2x / lnx 3. Find the stationary point on the curve y = lnx / x and determine it's nature Any help on these is greatly appreciated. Cheers

Hey guys, I'm writing up this prac where you have an aluminium strip with each end connected to a DC terminal, and a horseshoe magnet. My problem is, using the right hand rule I have the magnetic field around the strip moving in a clockwise direction (looking down) and the north side of the...