Simplify i^{4}?

Simplify i4?

We know that i = -11/2

Therefore i2=-1

As i4=i2xi2 

Then i4=-1x-1=1

HS

Related Further Mathematics A Level answers

All answers ▸

Find the integral of f(x)= x^3 + 2x^2 + 1


Particles P and Q move in a plane with constant velocities. At time t = 0 the position vectors of P and Q, relative to a fixed point O in the plane, are (16i - 12j) m and -5i + 4j) m respectively. The velocity of P is (i + 2j) m/s and the velocity of Q


Why is the argument of a+bi equal to arctan(b/a)?


How do you find the matrix corresponding to a transformation?