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(a) Find the inverse of the following matrices if it exists 1/5 1/5 2/5 (i) A 2/5 3/5 -3/10 1/5 -4/5 1/10 t000 (ii)

(a) Find the inverse of the following matrices if it exists 1/5 1/5 2/5 (i) A 2/5 3/5 -3/10 1/5 -4/5 1/10 t000 (ii) B= 1 t 0 0 t#0 01 t 0 00 1 t (b) Find all values of k for which the matrix is invertible. k 10 1 k 1 0 1 k

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