आव्यूह A =  के लिए |A| का मान ज्ञात कीजिए। 

  1. -14
  2. 7
  3. -7
  4. 14

Answer (Detailed Solution Below)

Option 1 : -14
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Army Havildar SAC - Quick Quiz
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Detailed Solution

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संकल्पना:

किसी आव्यूह A के लिए 

  • AnA-1 =An-1
  • AI = A
  • AA-1 = I
  • A-1 = 

 

गणना:

A = 

|A| = 

⇒ |A| = 5[12 - 6] - 2[9 - 8] + 6 [9 - 16]

⇒ |A| = 30 - 2 - 42 

⇒ ​|A| = -14 

Latest Army Havildar SAC Updates

Last updated on Jul 1, 2025

-> The Indian Army has released the Exam Date for Indian Army Havildar SAC (Surveyor Automated Cartographer).

->The Exam will be held on 9th July 2025.

-> Interested candidates had applied online from 13th March to 25th April 2025.

-> Candidates within the age of 25 years having specific education qualifications are eligible to apply for the exam.

-> The candidates must go through the Indian Army Havildar SAC Eligibility Criteria to know about the required qualification in detail. 

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