p1 = x^2 + y^2 + z^2 - (a^2 + b^2 + c^2);
p2 = x + y + z - (a + b + c);
p3 = a^2 + b^2 + c^2 - 2 a + 2 b + 1;
p4 = a + b - 2 c;
Eliminate[{p1, p2, p3, p4} == {0, 0, 0, 0}, {a, b, c}]
输出结果为True
p1 = x^2 + y^2 + z^2 - (a^2 + b^2 + c^2);
p2 = x + y + z - (a + b + c);
p3 = a^2 + b^2 + c^2 - 2 a + 2 b + 1; p4 = a + b - 2 c;
Eliminate[{p1, p2, p3, p4} == {0, 0, 0, 0}, {a, b, c}]
输出结果为
3 - 10 x^2 + 3 x^4 + 16 x y - 10 y^2 + 6 x^2 y^2 + 3 y^4 + 16 x z + 16 y z - 10 z^2 + 6 x^2 z^2 + 6 y^2 z^2 + 3 z^4 == 0
请问是何种原因导致的结果不同