Recent content by raladin

  1. R

    : Complex Numbers Problems: HELP NEEDED FOR MY FINAL EXAM ?

    The distance between the origin and a + ib = |a + bi| = sqrt(a^2 + b^2)
  2. R

    : Complex Numbers Problems: HELP NEEDED FOR MY FINAL EXAM ?

    The usual method of Q1. is to multiply each fraction by the conjugate of the denominator in order to give it a real denominator... but can you please show me one solution so that I make sure? For 2. To use the fact that i^2n = -1 For 3, To show that the distances between each point on the...
  3. R

    : Complex Numbers Problems: HELP NEEDED FOR MY FINAL EXAM ?

    URGENT: Complex Numbers Problems: HELP NEEDED FOR MY FINAL EXAM!? Q1: Write the numbers in the form a+b: i) (2+3i)/(1+2i) - (8+i)/(6-i) ii) [(2+i)/(6i-(1-2i))]^2 Q2: Simplify: i) i^11 ii) i^203 Q3: Show that the points: 1, -1/2 + (i*squareroot(3))/2, -1/2 -...
  4. R

    Solid sphere inside a hollow sphere.

    Maybe you DEVIDED instead of MULTIPLYING.. make sure to multiply the FLUX on the left side of the equation X Epsilon constant...
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