SOLUTION: Solve the problem and express the solution in a + bi form (3 - sqrt(-5))*(1 + sqrt(-1))

SOLUTION: Solve the problem and express the solution in a + bi form (3 - sqrt(-5))*(1 + sqrt(-1))

Algebra.Com

Question 270046: Solve the problem and express the solution in a + bi form
(3 - sqrt(-5))*(1 + sqrt(-1))
Answer by dabanfield(803) (Show Source): You can put this solution on YOUR website!
(3 - sqrt(-5))*(1 + sqrt(-1)) =
3*1 + 3*sqrt(-1) - 1*sqrt(-5) - sqrt(-5*-1)
3 + 3*sqrt(-1) - sqrt(-1*5) - sqrt(5) =
3 + 3*i - i*sqrt(5) - sqrt(5) =
[3-sqrt(5)] + [3-sqrt(5)]*i

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