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JEE Main 25 Feb 2021 Shift 2 Solved Paper

Section: Mathematics
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Question : 62 of 90
 
Marks: +1, -0
Let A be a 3×3 matrix with det(A)=4. Let Ri denote the ith row of A. If a matrix B is obtained by performing the operation R2→2R2+5R3 on 2A, then det (B) is equal to
[25 Feb 2021 Shift 2]
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