已知动点\(M(x,y)\)满足\(\sqrt {(x+1{)}^{2}+{y}^{2}}+\sqrt {(x-1{)}^{2}+{y}^{2}}=2\)，求

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已知动点\(M(x,y)\)满足\(\sqrt {(x+1{)}^{2}+{y}^{2}}+\sqrt {(x-1{)}^{2}+{y}^{2}}=2\)，求动点\(M\)的轨迹.

参考答案：线段\({F}_{1}{F}_{2}\)