The inverse of the 2 by 2 matrix
x y
z w is
w -z
(1 / (xw-yz))
-y x
2a 3
So, the inverse matrix of B is 1/(2a2+6)
-2 a
Divya M.
asked • 09/15/19MTH 266 HW 2 Problem # 3
Find the inverse of the matrix:
B = a 2
-3 2a
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