No because I divisible by 2.
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The "i" in 3i means the number is imaginary.
3i where i is the square root of negative one.3i x 3i = -9
The conjugate of (84-3i) is (84+3i). This gives you a real number when multiplied.
Use the rules of division for complex numbers. Just divide 1 / (4 + 3i). This requires multiplying numerator and denominator of this fraction by (4 - 3i), to get a real number in the denominator.
0 + 3i