SOLUTION: How evaluate the expression sqrt -9 / sqrt (-4)* sqrt (-7)

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: How evaluate the expression sqrt -9 / sqrt (-4)* sqrt (-7)      Log On


   

Question 223006: How evaluate the expression sqrt -9 / sqrt (-4)* sqrt (-7)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How evaluate the expression sqrt -9 / sqrt (-4)* sqrt (-7)
-------------
= 3i%2F%28%282i%29%2Aisqrt%287%29%29
= 3%2F%28%282i%29%2Asqrt%287%29%29
= 3%2Asqrt%287%29%2F%2814i%29
= -3i%2Asqrt%287%29%2F14
Since any of the roots can be negative, also
= %2B3i%2Asqrt%287%29%2F14