若m,n满足m平方加n平方加4m减6n加13等于0,求m的n次方的值
人气:447 ℃ 时间:2019-08-20 06:05:53
解答
㎡+n²+4m-6n+13=0
㎡+4m+4+n²-6n+9=0
(m+2)²+(n-3)²=0
m=-2 n=3
(-2)³=-8a=6b=1 a²=36 b²=1 a²+b²=37O(∩_∩)O谢了
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