What modules have you done before?

C1, C2, C3, C4

D1

FP1, FP2, FP3

M1, M2

S1, S2

ZK
Answered by Zahra K. Further Mathematics tutor

4186 Views

See similar Further Mathematics A Level tutors

Related Further Mathematics A Level answers

All answers ▸

Why does e^ix = cos(x) + isin(x)


The infinite series C and S are defined C = a*cos(x) + a^2*cos(2x) + a^3*cos(3x) + ..., and S = a*sin(x) + a^2*sin(2x) + a^3*sin(3x) + ... where a is a real number and |a| < 1. By considering C+iS, show that S = a*sin(x)/(1 - 2a*cos(x) + a^2), and find C.


Find the general solution of the second order differential equation: y''+2y'-3 = 0


A particle is projected from the top of a cliff, 20m above the sea level at an angle of 30 degrees above the horizontal at 20m/s. At what vertical speed does it hit the water?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning