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Aptitude – Mathematical/Numerical Concepts
Class 12 / Mathematics

Aptitude – Mathematical/Numerical Concepts

Question 25 of 70
Book: TN-MATH-12-V1Chapter 1
A = எனில், adj(adj A)-ன் மதிப்பு
A
B
C
D
Correct AnswerA.
Explanation
3×3 சதுர அணிக்கு adj(adj A) = |A|³⁻² A = |A| A ஆகும். இங்கு |A| = 3(-3 + 4) + 3(2 - 0) + 4(-2 - 0) = 3(1) + 6 - 8 = 1. எனவே adj(adj A) = 1(A) = A ஆகும்.
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