# Previous answers wanefmac7 53010 use row reduction to

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3.8.75/8.33 points | Previous AnswersWaneFMAC7 5.3.010.Use row reduction to find the inverses of the given matrix if it exists, and check your answers bymultiplication. HINT [See Example 2.] (If the inverse doesn't exist, enter DNE in all answer boxes.)Compute the determinant of the given matrix. If the determinant is nonzero, use the formula forinverting a 2 ×2 matrix to calculate the inverse of the given matrix. (If the inverse doesn't exist, enterDNE in all answer boxes.)4.8.75/8.33 points | Previous AnswersWaneFMAC7 5.3.013.Use row reduction to find the inverse of the given matrix if it exists, and check your answer bymultiplication. HINT [See Example 2.] (If the inverse doesn't exist, enter DNE in all answer boxes.)5.8.75/8.33 points | Previous AnswersWaneFMAC7 5.3.027.50081/5 0 0 1/8 21147DNE DNE DNE DNE 333−31/6 1/6 1/6 -1/6
6/21/20195.3/3.6 - Matrix Inversion and Determinants
3/56.8.75/8.33 points | Previous AnswersWaneFMAC7 5.3.029.Compute the determinant of the given matrix. If the determinant is nonzero, use the formula forinverting a 2 ×2 matrix to calculate the inverse of the given matrix. (If the inverse doesn't exist, enterDNE in all answer boxes.)7.8.75/8.33 points | Previous AnswersWaneFMAC7 5.3.032.Compute the determinant of the given matrix. If the determinant is nonzero, use the formula forinverting a 2 ×2 matrix to calculate the inverse of the given matrix. (If the inverse doesn't exist, enterDNE in all answer boxes.)