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ๅพฎๅ็ฉๅๅญฆๆบๅ ไพ
, ,
ในใใใ 1
้ฃ็ซๆน็จๅผใ่กๅๅฝขๅผใง่กจใใพใใ
ในใใใ 2
ในใใใ 2.1
Write in determinant notation.
ในใใใ 2.2
Choose the row or column with the most elements. If there are no elements choose any row or column. Multiply every element in row by its cofactor and add.
ในใใใ 2.2.1
Consider the corresponding sign chart.
ในใใใ 2.2.2
The cofactor is the minor with the sign changed if the indices match a position on the sign chart.
ในใใใ 2.2.3
The minor for is the determinant with row and column deleted.
ในใใใ 2.2.4
Multiply element by its cofactor.
ในใใใ 2.2.5
The minor for is the determinant with row and column deleted.
ในใใใ 2.2.6
Multiply element by its cofactor.
ในใใใ 2.2.7
The minor for is the determinant with row and column deleted.
ในใใใ 2.2.8
Multiply element by its cofactor.
ในใใใ 2.2.9
Add the terms together.
ในใใใ 2.3
ใซใใใใพใใ
ในใใใ 2.4
ใฎๅคใๆฑใใพใใ
ในใใใ 2.4.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 2.4.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 2.4.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 2.4.2.1.1
ใซใใใใพใใ
ในใใใ 2.4.2.1.2
ใๆใใพใใ
ในใใใ 2.4.2.1.2.1
ใซใใใใพใใ
ในใใใ 2.4.2.1.2.2
ใซใใใใพใใ
ในใใใ 2.4.2.2
ใใใๅผใใพใใ
ในใใใ 2.5
ใฎๅคใๆฑใใพใใ
ในใใใ 2.5.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 2.5.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 2.5.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 2.5.2.1.1
ใซใใใใพใใ
ในใใใ 2.5.2.1.2
ใๆใใพใใ
ในใใใ 2.5.2.1.2.1
ใซใใใใพใใ
ในใใใ 2.5.2.1.2.2
ใซใใใใพใใ
ในใใใ 2.5.2.2
ใจใใใ็ฎใใพใใ
ในใใใ 2.6
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 2.6.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 2.6.1.1
ใซใใใใพใใ
ในใใใ 2.6.1.2
ใซใใใใพใใ
ในใใใ 2.6.2
ใจใใใ็ฎใใพใใ
ในใใใ 2.6.3
ใใใๅผใใพใใ
ในใใใ 3
Since the determinant is not , the system can be solved using Cramer's Rule.
ในใใใ 4
ในใใใ 4.1
Replace column of the coefficient matrix that corresponds to the -coefficients of the system with .
ในใใใ 4.2
Find the determinant.
ในใใใ 4.2.1
Choose the row or column with the most elements. If there are no elements choose any row or column. Multiply every element in row by its cofactor and add.
ในใใใ 4.2.1.1
Consider the corresponding sign chart.
ในใใใ 4.2.1.2
The cofactor is the minor with the sign changed if the indices match a position on the sign chart.
ในใใใ 4.2.1.3
The minor for is the determinant with row and column deleted.
ในใใใ 4.2.1.4
Multiply element by its cofactor.
ในใใใ 4.2.1.5
The minor for is the determinant with row and column deleted.
ในใใใ 4.2.1.6
Multiply element by its cofactor.
ในใใใ 4.2.1.7
The minor for is the determinant with row and column deleted.
ในใใใ 4.2.1.8
Multiply element by its cofactor.
ในใใใ 4.2.1.9
Add the terms together.
ในใใใ 4.2.2
ใซใใใใพใใ
ในใใใ 4.2.3
ใฎๅคใๆฑใใพใใ
ในใใใ 4.2.3.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 4.2.3.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 4.2.3.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 4.2.3.2.1.1
ใซใใใใพใใ
ในใใใ 4.2.3.2.1.2
ใๆใใพใใ
ในใใใ 4.2.3.2.1.2.1
ใซใใใใพใใ
ในใใใ 4.2.3.2.1.2.2
ใซใใใใพใใ
ในใใใ 4.2.3.2.2
ใใใๅผใใพใใ
ในใใใ 4.2.4
ใฎๅคใๆฑใใพใใ
ในใใใ 4.2.4.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 4.2.4.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 4.2.4.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 4.2.4.2.1.1
ใซใใใใพใใ
ในใใใ 4.2.4.2.1.2
ใๆใใพใใ
ในใใใ 4.2.4.2.1.2.1
ใซใใใใพใใ
ในใใใ 4.2.4.2.1.2.2
ใซใใใใพใใ
ในใใใ 4.2.4.2.2
ใจใใใ็ฎใใพใใ
ในใใใ 4.2.5
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 4.2.5.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 4.2.5.1.1
ใซใใใใพใใ
ในใใใ 4.2.5.1.2
ใซใใใใพใใ
ในใใใ 4.2.5.2
ใจใใใ็ฎใใพใใ
ในใใใ 4.2.5.3
ใใใๅผใใพใใ
ในใใใ 4.3
Use the formula to solve for .
ในใใใ 4.4
Substitute for and for in the formula.
ในใใใ 4.5
ใใงๅฒใใพใใ
ในใใใ 5
ในใใใ 5.1
Replace column of the coefficient matrix that corresponds to the -coefficients of the system with .
ในใใใ 5.2
Find the determinant.
ในใใใ 5.2.1
Choose the row or column with the most elements. If there are no elements choose any row or column. Multiply every element in row by its cofactor and add.
ในใใใ 5.2.1.1
Consider the corresponding sign chart.
ในใใใ 5.2.1.2
The cofactor is the minor with the sign changed if the indices match a position on the sign chart.
ในใใใ 5.2.1.3
The minor for is the determinant with row and column deleted.
ในใใใ 5.2.1.4
Multiply element by its cofactor.
ในใใใ 5.2.1.5
The minor for is the determinant with row and column deleted.
ในใใใ 5.2.1.6
Multiply element by its cofactor.
ในใใใ 5.2.1.7
The minor for is the determinant with row and column deleted.
ในใใใ 5.2.1.8
Multiply element by its cofactor.
ในใใใ 5.2.1.9
Add the terms together.
ในใใใ 5.2.2
ใซใใใใพใใ
ในใใใ 5.2.3
ใฎๅคใๆฑใใพใใ
ในใใใ 5.2.3.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 5.2.3.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 5.2.3.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 5.2.3.2.1.1
ใซใใใใพใใ
ในใใใ 5.2.3.2.1.2
ใซใใใใพใใ
ในใใใ 5.2.3.2.2
ใจใใใ็ฎใใพใใ
ในใใใ 5.2.4
ใฎๅคใๆฑใใพใใ
ในใใใ 5.2.4.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 5.2.4.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 5.2.4.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 5.2.4.2.1.1
ใซใใใใพใใ
ในใใใ 5.2.4.2.1.2
ใๆใใพใใ
ในใใใ 5.2.4.2.1.2.1
ใซใใใใพใใ
ในใใใ 5.2.4.2.1.2.2
ใซใใใใพใใ
ในใใใ 5.2.4.2.2
ใใใๅผใใพใใ
ในใใใ 5.2.5
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 5.2.5.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 5.2.5.1.1
ใซใใใใพใใ
ในใใใ 5.2.5.1.2
ใซใใใใพใใ
ในใใใ 5.2.5.2
ใใใๅผใใพใใ
ในใใใ 5.2.5.3
ใจใใใ็ฎใใพใใ
ในใใใ 5.3
Use the formula to solve for .
ในใใใ 5.4
Substitute for and for in the formula.
ในใใใ 5.5
ใใงๅฒใใพใใ
ในใใใ 6
ในใใใ 6.1
Replace column of the coefficient matrix that corresponds to the -coefficients of the system with .
ในใใใ 6.2
Find the determinant.
ในใใใ 6.2.1
Choose the row or column with the most elements. If there are no elements choose any row or column. Multiply every element in row by its cofactor and add.
ในใใใ 6.2.1.1
Consider the corresponding sign chart.
ในใใใ 6.2.1.2
The cofactor is the minor with the sign changed if the indices match a position on the sign chart.
ในใใใ 6.2.1.3
The minor for is the determinant with row and column deleted.
ในใใใ 6.2.1.4
Multiply element by its cofactor.
ในใใใ 6.2.1.5
The minor for is the determinant with row and column deleted.
ในใใใ 6.2.1.6
Multiply element by its cofactor.
ในใใใ 6.2.1.7
The minor for is the determinant with row and column deleted.
ในใใใ 6.2.1.8
Multiply element by its cofactor.
ในใใใ 6.2.1.9
Add the terms together.
ในใใใ 6.2.2
ใซใใใใพใใ
ในใใใ 6.2.3
ใฎๅคใๆฑใใพใใ
ในใใใ 6.2.3.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 6.2.3.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 6.2.3.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 6.2.3.2.1.1
ใซใใใใพใใ
ในใใใ 6.2.3.2.1.2
ใๆใใพใใ
ในใใใ 6.2.3.2.1.2.1
ใซใใใใพใใ
ในใใใ 6.2.3.2.1.2.2
ใซใใใใพใใ
ในใใใ 6.2.3.2.2
ใจใใใ็ฎใใพใใ
ในใใใ 6.2.4
ใฎๅคใๆฑใใพใใ
ในใใใ 6.2.4.1
่กๅใฎ่กๅๅผใฏๅ
ฌๅผใๅฉ็จใใฆๆฑใใใใจใใงใใพใใ
ในใใใ 6.2.4.2
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 6.2.4.2.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 6.2.4.2.1.1
ใซใใใใพใใ
ในใใใ 6.2.4.2.1.2
ใๆใใพใใ
ในใใใ 6.2.4.2.1.2.1
ใซใใใใพใใ
ในใใใ 6.2.4.2.1.2.2
ใซใใใใพใใ
ในใใใ 6.2.4.2.2
ใจใใใ็ฎใใพใใ
ในใใใ 6.2.5
่กๅๅผใ็ฐก็ดใใพใใ
ในใใใ 6.2.5.1
ๅ้
ใ็ฐก็ดใใพใใ
ในใใใ 6.2.5.1.1
ใซใใใใพใใ
ในใใใ 6.2.5.1.2
ใซใใใใพใใ
ในใใใ 6.2.5.2
ใจใใใ็ฎใใพใใ
ในใใใ 6.2.5.3
ใใใๅผใใพใใ
ในใใใ 6.3
Use the formula to solve for .
ในใใใ 6.4
Substitute for and for in the formula.
ในใใใ 6.5
ใใงๅฒใใพใใ
ในใใใ 7
้ฃ็ซๆน็จๅผใฎ่งฃใ่จ่ผใใพใใ