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in Mathematics by (70.5k points)

If A = [(0, 1, 2), (1, 2, 3), (3, a, 1)], A-1 = [(1/2, -1/2, 1/2), (-4, 3, c), (5/2, - 3/2, 1/2)], then ......

(a) a = 2, c = - 1/2

(b) a = 1, c = - 1

(c) a = - 1, c = 1

(d) a = 1/2, c = 1/2

1 Answer

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Best answer

The correct option (b) a = 1, c = -1

Explanation:

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