level 1
代数解:
{{x -> -1 +
1/4 \[Sqrt](1/
3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))) -
1/2 \[Sqrt](-(35/3) + 3575/(
12 (602171 + 72 Sqrt[78761699])^(1/3)) -
1/12 (602171 + 72 Sqrt[78761699])^(1/3) - 32/Sqrt[
1/3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))])}, {x -> -1 +
1/4 \[Sqrt](1/
3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))) +
1/2 \[Sqrt](-(35/3) + 3575/(
12 (602171 + 72 Sqrt[78761699])^(1/3)) -
1/12 (602171 + 72 Sqrt[78761699])^(1/3) - 32/Sqrt[
1/3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))])}, {x -> -1 -
1/4 \[Sqrt](1/
3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))) -
1/2 \[Sqrt](-(35/3) + 3575/(
12 (602171 + 72 Sqrt[78761699])^(1/3)) -
1/12 (602171 + 72 Sqrt[78761699])^(1/3) + 32/Sqrt[
1/3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))])}, {x -> -1 -
1/4 \[Sqrt](1/
3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))) +
1/2 \[Sqrt](-(35/3) + 3575/(
12 (602171 + 72 Sqrt[78761699])^(1/3)) -
1/12 (602171 + 72 Sqrt[78761699])^(1/3) + 32/Sqrt[
1/3 (-70 - 3575/(602171 + 72 Sqrt[78761699])^(
1/3) + (602171 + 72 Sqrt[78761699])^(1/3))])}}
数值解
{{x -> -0.704159 - 3.35006 I}, {x -> -0.704159 +
3.35006 I}, {x -> -2.81171}, {x -> 0.220032}}
2009年03月06日 14点03分