Question

find the square root of z=-4+i8​

Answer 1

Step-by-step explanation:

$z = - 4 + i8$

$\sqrt{( - 4) { }^{2} } + }^{ \sqrt{} } ( i8) {}^{2}$

$\sqrt{16 + i {.}^{2} } .64$

$\sqrt{16 - 64}$

$\sqrt{49}$

$answer = 7$