If A =`[(1, -1), (2, 3)]` and adj (A) = `[(a, b), (-2, 1)]`, then… - Vidyadip

MCQ

If A =`[(1, -1), (2, 3)]` and adj (A) = `[(a, b), (-2, 1)]`, then ______

✓
a = 3, b = 1
B
a = 1, b = 3
C
a = 1,b = -2
D
a = 3, b = -2

✓

Answer

Correct option: A.

a = 3, b = 1

A

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