Discussion Forum
Que.  The Mandelbrot set used for the construction of beautiful images is based on the following transformation : xn + 1= x2n + z Here, 
a.  Both x & z are real numbers 
b.  Both x & z are complex numbers 
c.  x is real & z is complex 
d.  x is complex & z is real 
Answer:Both x & z are complex numbers
