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
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
Option 1 -
64
Option 2 -
16
Option 3 -
128
Option 4 -
80
Asked by Shiksha User
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1 Answer
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Correct Option - 1
Detailed Solution:For R2 →2R2 + 5R3
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