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

Represent the complex numbers 2-2i

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

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

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

Show that the points (3, 4), (8, -6) and (13, 9) are the vertices of a right angled triangle.

Show that the points representing the complex numbers (3+ 3i), (-3- 3i) and (-3 sqrt3 + 3 sqrt3i) on the Argand plane are the vertices of an equilateral triangle

Express in the complex number (-5i)(i/8)

Prove that the points (3, 0), (6, 4) and (-1, 3) are the vertices of a right angled isosceles triangle.

Without using the Pythagoras theorem, show that the points (4, 4) , (3, 5) and (1, 1) are the vertices of a right angled triangle.

Find out whether the points (0, 7, 10), (-1,6,6) and (-4,9,6) are the vertices of a right angled triangle.