In Exercises 5–14, find the inverse of the given matrix.
14.
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College Algebra in Context with Applications for the Managerial, Life, and Social Sciences (5th Edition)
- In Exercises 20-23, solve the given matrix equation for X. Simplify your answers as much as possible. (In the words of Albert Einstein, Everything should be made as simple as possible, but not simpler.) Assume that all matrices are invertible. XA2=A1arrow_forwardDetermine which of the matrices in Exercises 1–6 are symmetric. 3.arrow_forwardIn Exercises 27–32, evaluate the determinant of the given matrix by inspection.arrow_forward
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- 5. Consider the 3 × 2 matrix A such that 3 A 1 and A. 3 (a) Write down A. (b) Is A singular? Justify your answer.arrow_forwardUse the given information to find A. 4 5 A [32] 12 NOTE: Write the elements of the matrix exactly. ? ^= [(¦ ?) A -arrow_forwardIn Exercises 19–22, evaluate the (4X4) determinants. Theorems 6–8 can be used to simplify the calculations.arrow_forward
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