Question

If modulus of | (x-5i)/(x+5i) | = 1, show that Z is a real number.

Answer 1

Answer:

Step-by-step explanation:

whole mod x-5iota/x+5iota=1

mod(x-5iota)/mod(x+5iota)=1

mod(x-5iota)=mod(x+5iota)

taking out modulus

we gwt this same

hence proved z is a real number