Question

se z1=1-3i e z2=2+5i determinem:
a) |z1| +|Z2|

Answer 1

$\boxed{|Z| = \sqrt{a^{2}+b^{2}}}$

Então:

$|Z_{1}|+|Z_{2}| = \\\\ \sqrt{1^{2}+(-3)^{2}}+\sqrt{2^{2}+5^{2}} = \\\\ \sqrt{1+9}+\sqrt{4+25} = \\\\ \boxed{\sqrt{10}+\sqrt{29}}$