Question

Z =(-3+5i)hole power3​

Answer 1

Step-by-step explanation:

we know

(a+b) ^3= a^3+b^3+3ab(a+b)

so here a= -3 and b= 5i

(3)^3+(5i)^3+3(3)(5i)(3+5i)

27+125i^3+45i(3+5i)

27-125i+ 135i+225i^2

27+10i-225

10i-198