SOLUTION: If we write the following complex number in standard form: (sqrt7 + sqrt11 i)(sqrt7 - sqrt11 i) = a + bi Then a = ? and b = ?

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson  -> Lesson -> SOLUTION: If we write the following complex number in standard form: (sqrt7 + sqrt11 i)(sqrt7 - sqrt11 i) = a + bi Then a = ? and b = ?      Log On


   

Question 205598: If we write the following complex number in standard form:
(sqrt7 + sqrt11 i)(sqrt7 - sqrt11 i) = a + bi
Then a = ? and b = ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If we write the following complex number in standard form:
(sqrt7 + sqrt11 i)(sqrt7 - sqrt11 i) = a + bi
= 7 - 11i^2
= 7 + 11
= 18 + 0i
Then a = 18 and b = 0
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Cheers,
Stan H.