if is a matrix satisfying the equation AAT=9I, where I is 3x3 identity matrix, then the ordered pair
(a, b) is equal to :
Using
Multiplication of matrices -
-
by given condition
Option 1)
This option is incorrect.
Option 2)
This option is incorrect.
Option 3)
This option is incorrect.
Option 4)
This option is correct.
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