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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.5 Linear Algebra, #24 · Linear Algebra · Matrices

The 2 by 2 determinants from the first two rows of …

This problem uses the matrices A, B, C.

The 2 by 2 determinants from the first two rows of $B$ are $- 1$ (from columns 2,3) and $- 2$ (from columns 1,3) and ______ (from columns 1,2). These numbers go into the third ______ of $B^{- 1}$ , after dividing by ______ and changing the sign of ______.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.5 Linear Algebra, #24

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