Question 819968
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{7i* sqrt(3) + 3i* sqrt(27) + sqrt( -27) =7i* sqrt(3) + 3i* sqrt(9*3) + sqrt( (-1)9*3) = 7i* sqrt(3) + 9i* sqrt(3) + 3i*sqrt( 3)  = 19i*sqrt(3)}}}