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14. (1 mark) Let 4-1 = 1-1 -3 11 17 -2 , find the value of a. I c d A: 2 B: 3 C: 1 |D: -- | E: 11 15. (1 mark) Find the value

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(14) Creven, A= a b 7 and A-=[-3. 1 A -3 , d and Te I 17-2 L e 4 = - der (A) Adjoint of Matrix o lo facters of A Step I findComparing both, cadanga , Batangas (adren) * ? camiset) *** lets say ad-ebok d= -3k, ab=k , -c=7k and a=-2k wie on Here, we(5) A: -1 0 ī od ab d k Matrix A has an inverse only if det (A) * determinant of Ato lets find the value of ets determinant.

answered by: ANURANJAN SARSAM
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