आव्यूह X ज्ञात कीजिए जिससे 2A - B + X = O है, जहाँ O शून्य आव्यूह है, है?

  1. इनमें से कोई नहीं 

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Option 3 :
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संकल्पना:

माना कि A और B समान कोटि m × n वाले कोई दो आव्यूह हैं, तो उनका योग A ± B = [aij ± bij]m × n है, जहाँ A = [aij]m × n और B = [bij]m × n है। 

गणना:

दिया गया है: 2A - B + X = O है, जहाँ O शून्य आव्यूह,  है। 

⇒ X = B - 2A
⇒ 
⇒ 

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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