Evaluate
-2\sqrt{5}i+58\approx 58-4.472135955i
Real Part
58
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7\left(4-2i\sqrt{5}\right)+3i\sqrt{5}\left(4-2i\sqrt{5}\right)
Use the distributive property to multiply 7+3i\sqrt{5} by 4-2i\sqrt{5}.
28-14i\sqrt{5}+3i\sqrt{5}\left(4-2i\sqrt{5}\right)
Use the distributive property to multiply 7 by 4-2i\sqrt{5}.
28-14i\sqrt{5}+12i\sqrt{5}+6\left(\sqrt{5}\right)^{2}
Use the distributive property to multiply 3i\sqrt{5} by 4-2i\sqrt{5}.
28-14i\sqrt{5}+12i\sqrt{5}+6\times 5
The square of \sqrt{5} is 5.
28-14i\sqrt{5}+12i\sqrt{5}+30
Multiply 6 and 5 to get 30.
28-2i\sqrt{5}+30
Combine -14i\sqrt{5} and 12i\sqrt{5} to get -2i\sqrt{5}.
58-2i\sqrt{5}
Add 28 and 30 to get 58.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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