32第2章逆行列と連立1次方程式⎧⎪⎪⎪⎨⎪⎪⎪⎩3x+4y=30,5x+7y=52.⇐⇒⎧⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎩x+43y=10,5x+7y=52.⇐⇒⎧⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎩x+43y=10,13y=2.⇐⇒⎧⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎩x+43y=10,y=6.⇐⇒⎧⎪⎪⎪⎨⎪⎪⎪⎩x=2,y=6.xy定数項3430[1]5752[2]I14310[3]=[1]×135752[2]II14310[3]0132[4]=[2]+[3]×(−5)III14310[3]016[5]=[4]×3IV102[6]=[3]+[5]×(−43)016[5]VAllrightsreserved,OkadomeLab.
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