SOLUTION: THE QUESTION IS WRITE NUMBER IN STANDARD FORM a+bi. 4-sqrt(-20) ______ 2

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Question 30767: THE QUESTION IS WRITE NUMBER IN STANDARD FORM a+bi.
4-sqrt(-20)
______
2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
[4-sqrt(-20)]/2
=[4-(2i)sqrt(5)]/2
=2-isqrt(5)
or
=2 + (-sqrt5)i
Cheers,
Stan H.