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In Exercises 1-12, find the products AB and BA to determine whether B is the multiplicative inverse of A.
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- In Exercises 11-18, A = 1-2345-6-789. Find each minor or cofactor. C32arrow_forwardShow that B is the inverse of A.arrow_forwardFind the products AB and BA to determine whether B is the multiplicative inverse of A. 0 B = +29-24] A = AB= BA= 3 Is B the multiplicative inverse of A? Yes Noarrow_forward
- Find the products AB and BA to determine whether B is the multiplicative inverse of A. - 4 - 3 +BHR] B= 0 1 A = AB= - 3 No Yes -4 - 4 1 BA= Is B the multiplicative inverse of A?arrow_forward3. Is B the inverse of A? [17 25 3 -25] (d) A: B = 3 -2 17 [17 25 24 36 25 3 B = -2 (e) A = 12 12arrow_forward3 -5 2 Let A= -4 -6 2. Find the additive inverse of A. 1 -3 -2 a) -4 2 1 5 3 -5 b) -4 -6 7 1 5 -3 -2 c) 4 6 -2 -1 -7 -3 -5 d) -4 6. -2 -7 -1 5arrow_forward
- 2. Find the following elements in Z₁9: a. 13 X19 17 b. 13 +19 17 c. -12 (the additive inverse of 12): d. 12 (the multiplicative inverse of 12):arrow_forwardService Sy. Find, if possible, A+ B, A- B, 2A, 2A - B, and 8+ A. (If not possible, enter IMPOSSIBLE in any single cell.) 国 213 A = 250 -14 2 0 2 (a) A+B (b) A-B (c) 2A (d) 24 - B P Type here to search 立 00arrow_forwardDetermine whether i is an element of Q (V2+ i).arrow_forward
- - 4 5] + [3 4 5 0 Compute: 5arrow_forwardShow that B is the multiplicative inverse of A, where:arrow_forwardEvaluate Select one: O a. O b. Od. x+3 x²+x-2 2x+5 X x²+4x+4 (2x+5)(x-1)(x+2) x²+4x+4 2x²+11x+15 x+2 (2x+5)(x-1) rả 5x17 (2x+5)(x-1)(x+3) What are the non-permissible values for 1+1arrow_forward
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