Datrys ar gyfer b, c, a, d
b=\sqrt{14}\approx 3.741657387\text{, }c=-\left(a^{2}+350\right)\text{, }a\geq 0\text{, }d=-a^{2}-350
b=\sqrt{14}\approx 3.741657387\text{, }c=-\left(a^{2}+350\right)\text{, }a\leq 0\text{, }d=-a^{2}-350
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