Mathematics
Undergraduate
この2問を逆行列で解きたいんですけどやり方がわからなくて、、教えて欲しいです🙏
.次の連立方程式を、 (1) 逆行列や (2
-5x+7y-2z=3
-4x-9y+5z=1
-x+2y-4z=-6
①
2
x+y=z
2x+3z=19
2y+3z=5
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