Find the sum of the following numbers `2/3+5/3i ,-2/3i and -5/4-i`

Find the modulus of the following complex numbers (3 +2i) (5-4i)

Find the sum of : 2/3+5/3i, -2/3 i and (-5)/4-i .

Find the square root of the following complex number ((2+3i)/(5-4i) + (2-3i)/(5+4i))

Find the modulus of the following (4 +3i)/(5-12i)

Given that i = sqrt(-1), what is the sum of the complex numbers (21 i^(2) -12i) + (3-5i) ?

Find the modulus of the following complex numbers ((3+2i)^(2))/((4-3i))

Find the conjugates of the following complex number: ((3-2i)(2+3i))/((1+2i)(2-i))

Find the conjugates of the following complex number: ((3-2i)(2+3i))/((1+2i)(2-i))

Find the modulus and amplitude of the following complex numbers and hence express them into polar form (5-i)/(2-3i)