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Question 5. (a) Diagonalize the matrix S = [1 0 -11 -1 2-1 and calculate A100. 1-2 0 0 (b) Diagonalize the matrix A and find
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Given -1 characteristic equation of -L 1-d 2-A -> > (1-+) (^(+-2)-0) -1 (0+2(1-*)}= • > \(1-A) (4-2) + 2 (a-1)=0 → (1-1) (A-1=> y fre x= -7 => -1 V, = for d= -1, (A+1)X = ° -1 2 -L -2 -x +3y - 7 = 0 V3 -1 %3D 2. ! (1-o) -1 (o-2) = 3 pol = ady(1) -- 3P.D p-l -1 -{ 2. Now PD %3D 100 100 -2 Loo lo0 1-2 !+ 2 L00 1- 2 1-2 2- 2 2+2 3(b) Civen (::) Now charaetecitic equation of A H, lA-AI| =0 4-A => d=l,4 (4-4 )(1-4) = for A=1, (A-1)x =0 > > x-2y =0 (3) for(; :) (::) (; ) -2 2 -2 Civen charackvistic equation (# K, 2-d 3 2-A o o 3-A (2-) )(2-)(-)= d=2 with A.M. = 2 with Am. =1 for

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