Question

Write the expression in standard form.
five divided by quantity three minus fifteen i.

Answer 1

\[5\div3-15i\]

Answer 2

Answer Choices:
five divided by seventy eight. - twenty five divided by seventy eight. i

five divided by seventy eight. + twenty five divided by seventy eight. i

- five divided by seventy eight. + twenty five divided by seventy eight. i

- five divided by seventy eight. - twenty five divided by seventy eight. i

Answer 3

@hartnn @hero @sleepyjess @imqwerty

Answer 4

\(\dfrac{5}{(3-15i)}\dfrac{(3+15i)}{(3+15i)}=\dfrac{15+75i}{3*3-15^2i^2}\)

knowing that \(i^2=-1\) can you finish this?