Splet04. nov. 2024 · Hence Solve the system of equations; x - 2y = 10 2x - y - z = 8 -2y + z = 7 class-12 Share It On 1 Answer +2 votes answered Nov 4, 2024 by Darshee (49.8k points) selected Nov 16, 2024 by Aanchi Best answer A = 1 (−1 − 2) − 2 (−2 − 0) = −3 + 4 = 1 A is non-singular, therefore A−1 exists The given equations can be written as: Splet30. avg. 2024 · Best answer We have, Therefore, A2 – 4A + 7I A2 = 4A – 7I Thus A3 = A.A2 = A (4A – 7I) = 4 (4A – 7I) – 7A = 16A – 28I – 7A = 9A – 28I and so A5 = A3A2 = (9A – …
If , show that A 2 – 5A + 7I = O. Hence find A –1
SpletA 2 = 1 12 -4 1-4A = -8 -12 4 -8 7I = 7 0 0 7 add these three values u will get 0. 0 Splet30. mar. 2024 · Example 26 Show that the matrix A = [ 8 (2& 3@1 &2)] satisfies the equation A2 – 4A + I = O, where I is 2 × 2 identity matrix and O is 2 × 2 zero matrix. Using this … powerapps user fullname 姓名逆になる
Find $A^5- 4A^4-7 A^3+11 A^2-A-10I$ in terms of A using Cayley …
Splet26. sep. 2015 · [-1 2 ] then show that A 2 + 4A +7I = 0. Using this result find A 3 Share with your friends 2 Follow 0 Pooja Khanna, Meritnation Expert added an answer, on 26/9/15 … SpletYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Let A be an (n × n) matrix which satisfies the equation A2 ? 2A + I = … Splet19. jan. 2024 · Show that `A =[{:(5,3),(-1,-2):}]` satisfies the equation `A^(2)-3A-7I=0` and hence find the value of `A^(-1)` powerapps user .email