JEE Main 8 Apr 2024 Shift 1 Solved Paper

Section: Mathematics
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Question : 8 of 90
 
Marks: +1, -0
Let A=[
2a0
131
05b
]
. If A3=4A2−A−21I, where I is the identity matrix of order 3×3, then 2a+3b is equal to :
[8 Apr 2024 Shift 1]
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