Let A= [ {\a}_{i j}] =\left[\begin{array}{cc}\log _5 128 & \log _4 5 \ \log _5 8 & \log _4 25]\end{array}. If {\A}_{i j} is the cofactor of a_{i j}, C_{i j}=\sum_{k=1}^{2} {\a}_{i k} A_{j k}, 1 \leq i, j \leq 2 and C= [C_{i j}], then 8 {|C|} is equal to [29 Jan 2025 Shift 1]

JEE Main 29 Jan 2025 Shift 1 Paper

Section: Mathematics

Question : 10 of 75

Marks: +1, -0

Let A=[aij]=[

log5128	log45
log58	log425

].

If Aij is the cofactor of aij,Cij=

∑

k=1

aik‌‌Ajk,1≤i,j≤2 and C=[Cij], then 8‌|C| is equal to

[29 Jan 2025 Shift 1]

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