Let A, B be square matrices of order 3x3. Then |A.adj(A).B| is Option 1: |A|^2.|B| Option 2: |A|^3.|B| Option 3: |A|^2.|B|^2 Option 4: |A|.|B|^3

The answer is '|A|^3.|B|'. View full solution:

CUET Mathematics - Let A, B be square matrices of order 3x3. Then |A.adj(A).B| is | PYQs + Solutions

CUET Mathematics 2026 30th May Shift 1

Algebra

Easy

common

$|A|^2.|B|$

$|A|^3.|B|$

$|A|^2.|B|^2$

$|A|.|B|^3$

✅ Correct Option: 2

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B.	Cofactor of $a_{31}$	II.	$-23$
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3 June Shift 1

Let $A = [a_{ij}]$ be a square matrix of order 3 with $|A| = 2$ and let $C = [c_{ij}]$ where $c_{ij} =$ cofactor of $a_{ij}$ in A. Then $|C|$ is equal to:

CUET Mathematics 2026 30th May Shift 1 PYQs

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