extension 2

Hi all, This question comes from Cambridge Chapter 3(C) Q15. a) Show that every root of the equation is imaginary for (1+z)^{2n} + (1-z)^{2n} =0 b) Let the roots be represented by the points P_1, P_2, P_3, ... ,P_{2n} in the Argand diagram, and let O be the origin. Show that: OP^2_1 +...

Hi Everyone! I am a part of a group of 2021 HSC graduates who collectively achieved ATARs ranging from 96 - 99.85, excelling in a variety of subjects including; Extension 1-2 Maths, Advanced English, Chemistry and Physics. Being from different schools, we decided to compile a Google Drive...