Evaluate
7+9i
Real Part
7
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5+2+\left(8+1\right)i
Combine the real and imaginary parts in numbers 5+8i and 2+i.
7+9i
Add 5 to 2. Add 8 to 1.
Re(5+2+\left(8+1\right)i)
Combine the real and imaginary parts in numbers 5+8i and 2+i.
Re(7+9i)
Add 5 to 2. Add 8 to 1.
7
The real part of 7+9i is 7.
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Limits
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