Question

Which of the following is equivalent to √-50

a) 5√2
b) 5i√2
c) 5√2i
d) -5√2

Answer 1

Option (D) is the answer
-5 root2

Answer 2

`√(-50)=√(-1\cdot50)=√(-1)\cdot√(50)=i√(25\cdot2)=i√(25)√(2)=\boxed{5i√(2)}`

Answer b)