Complex Numbers Evaluate the expression √−7 / √-7√-8 and write the result in the form a + bi.

Question

Evaluate the expression √−7 / √-7√-8 and write the result in the form a + bi.

The real number a equal: 0

The real number b equals:

Answer 1

assuming you meant

sqrt(-7)/ ( sqrt(-7)sqrt(-8)) then sqrt(-7) cancels

1 / sqrt(-8) =

sqrt(-8)/ -8 =

2i sqrt(2) / -8 = (-1/4) i sqrt(2)