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    C2 maths help

    1. Homework Statement Given that (x-1) and (x+1) are factors of px^3 + qx^2 - 3x - 7 find the value of of p and q. 2. Homework Equations Not sure but I think ou have to solve as simultaneous equations. 3. The Attempt at a Solution I am completely lost and have no idea where to...
  2. S

    Finding the potential difference across two wires

    Hello everyone, as you can tell I'm new and just wondering if I could get some help with this question as I'm not sure where exactly I've gone wrong: 1. Homework Statement Two wires are used to connect a lamp to a power supply of negligible internal resistance. The potential difference...