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Aptitude – Mathematical/Numerical Concepts
Class 12 / Mathematics

Aptitude – Mathematical/Numerical Concepts

Question 5 of 70
Book: TN-MATH-12-V1Chapter 1
A = எனில், 9I₂ - A =
A
A⁻¹
B
A⁻¹ / 2
C
3A⁻¹
D
2A⁻¹
Correct AnswerD.
2A⁻¹
Explanation
9I₂ - A = - = இங்கு |A| = 14 - 12 = 2 மற்றும் adj A = எனவே A⁻¹ = (1/2)⇒ 2A⁻¹ = = 9I₂ - A ஆகும்.
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