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制約条件;x^10 + y*x^9 - 3*x^9 + (13*y^2*x^8)/3 -
8*y*x^8 - (73*x^8)/5 + (10*y^3*x^7)/3 -
16*y^2*x^7 - (43*y*x^7)/5 +
(247*x^7)/5 + (22*y^4*x^6)/3 +
(396*y*x^6)/5 - (68*y^3*x^6)/3 -
(52*y^2*x^6)/3 + 66*x^6 + 4*y^5*x^5 -
26*y^4*x^5 + (49*y^3*x^5)/15 +
(401*y^2*x^5)/3 + (512*y*x^5)/5 -
282*x^5 + 6*y^6*x^4 + (1232*y^3*x^4)/
15 - (68*y^5*x^4)/3 - (22*y^4*x^4)/5 -
(1516*y*x^4)/5 - (416*x^4)/5 -
(386*y^2*x^4)/15 + 2*y^7*x^3 -
16*y^6*x^3 + (41*y^5*x^3)/3 +
(521*y^4*x^3)/5 - 132*y^3*x^3 -
(3992*y*x^3)/5 + (3264*x^3)/5 -
(1496*y^2*x^3)/15 + (7*y^8*x^2)/3 +
(244*y^5*x^2)/3 - 226*y^4*x^2 +
(7672*y^3*x^2)/15 + (5632*y*x^2)/5 -
(28*y^7*x^2)/3 - (224*x^2)/5 -
(68*y^6*x^2)/15 - (8536*y^2*x^2)/15 +
(y^9*x)/3 - 3*y^8*x + (9*y^7*x)/5 +
(233*y^6*x)/5 + (1826*y^4*x)/5 +
1120*y*x - (1240*y^2*x)/3 - (2464*x)/5 -
(2716*y^5*x)/15 - (1976*y^3*x)/15 +
y^10/3 + (376*y^7)/15 + (284*y^5)/3 +
56*y^4 + (4704*y^2)/5 - (4*y^9)/3 -
(458*y^6)/5 - (4928*y)/5 - (43*y^8)/15 -
(9712*y^3)/15=0 のもとで,
x^2 + y^2 + 2*y + 1の極値を求めよ。
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