Question

find the modules of
(1+3i)^3​

Answer 1

Answer:

io$\sqrt{10}$.

Step-by-step explanation:

|(1+3i)^3)| = | 1+3i |^3

= $[\sqrt{1^{2} +3^{2} } ]^3$

= ($\sqrt{10} }$ )^3

= $\sqrt{10}$ x $\sqrt{10}$ x $\sqrt{10}$

= 10$\sqrt{10}$.//

= io$\sqrt{10}$.

Hope this helps.