SOLUTION: 7+3i
____
3+9i
how do you write this expression as a complex number in standard form?
Algebra.Com
Question 256124: 7+3i
____
3+9i
how do you write this expression as a complex number in standard form?
Found 2 solutions by solver91311, EMStelley:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Multiply by the conjugate of the denominator divided by itself. If
is a complex number, then
is its conjugate.
The denominator is now the difference of two squares. Remember that
.
John

Answer by EMStelley(208) (Show Source): You can put this solution on YOUR website!
The first step in writing this expression in standard form is to multiply both the numerator and denominator by the complex conjugate of the denominator. Remember that the complex conjugate of a+bi is a-bi. So here, we want to multiply the numerator and denominator by 3-9i.
This gives:
Now we combine like terms, remembering that i^2 = -1.
RELATED QUESTIONS
How do you write 3i(7-9i) in standard... (answered by jsmallt9)
Write the expression (3 − 9i) + (4 + 5i) as a complex number in standard... (answered by solver91311,lynnlo)
Write the expression as a complex number in standard form.... (answered by jim_thompson5910,Mathtut)
how do you write the expression -2+4i/6+3i as a complex number in standard... (answered by solver91311)
How do you write the expression (-11+3i)+(4-6i) as a complex number in standard... (answered by jim_thompson5910)
Hello! Could you solve this problem?
Thanks.
Write the expression as a complex number (answered by Alan3354)
Write the Expression as a complex number in Standard form.
3-3i/4i
(answered by MathLover1)
write the eepression as a complex number in standard form (5 + 4i) + (-7... (answered by mathdoc316)
write the expression as a complex number in standard form... (answered by Nate)