把a(bǔ)11拿出來,其余的做行列式就是
a22 a23 a24
a32 a33 a34
a42 a43 a44
等于a22a33a44+a24a32a43+a42a23a34-a42a33a24-a22a43a34-a44a32a23
有a11a23的項(xiàng)就是a11a42a23a34-a11a44a32a23
四階行列式中含有因子a11a23的項(xiàng)
四階行列式中含有因子a11a23的項(xiàng)
詳細(xì)說說如何得出結(jié)論
詳細(xì)說說如何得出結(jié)論
數(shù)學(xué)人氣:970 ℃時(shí)間:2019-11-20 04:40:38
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