Evaluate (complex solution)
7+3\sqrt{11}i\approx 7+9.949874371i
Evaluate
\text{Indeterminate}
Real Part (complex solution)
7
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7+3\sqrt{-11}
Subtract 66 from 55 to get -11.
7+3\sqrt{11}i
Factor -11=11\left(-1\right). Rewrite the square root of the product \sqrt{11\left(-1\right)} as the product of square roots \sqrt{11}\sqrt{-1}. By definition, the square root of -1 is i.
7+3i\sqrt{11}
Multiply 3 and i to get 3i.
7+3\sqrt{-11}
Subtract 66 from 55 to get -11.
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