Show that the points representing the compled numbers ` (3+2i),(2-i) and -7i ` are collinear

Show that ehpohnts representing the fcomplex numbers 3+2i,5i,-3+2i and i- form a square

show that the points representing the complex numbers 3+4i, 8-6i and 13+9i are the vertices of a right angled triangle.

Prove that the points, represented by complex numbers (5+8i),(13+20i),(19+29i) are collinear.

Prove that the points representing the complex numbers 4+3i, 6+4i, 5+6i,3+5i are the vertices of a square.

The locus of the points representing the complex numbers z for which |z|-2=|z-i|-|z+5i|=0 , is

If the points represented by complex numbers z_(1)=a+ib, z_(2)=c+id " and " z_(1)-z_(2) are collinear, where i=sqrt(-1) , then

ABCD is a rhombus. Its diagonals AC and BD intersect at the point M and satisfy BD = 2AC.If he point D and M represent the complex numbers 1 + i and 2 - i respectively, then A represents the complex number......or......