Question

What is √-16 in complex numbers

Answer 1

Answer:

sqrt(-16) in complex numbers will be 4i

sqrt(-16)=sqrt(16i^2)=4i

Answer 2

Answer:

About the minus sign with 16, square root of -1 is an imaginary number i(iota). Also we know that square root of -16 will be multiplication of square root of -1 and square root of 16. So the final answer becomes, + or - 4i.