यदि

 

 है,

तो 5A - 3B + 4C का मान ज्ञात कीजिए। 

Answer (Detailed Solution Below)

Option 3 :
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Detailed Solution

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संकल्पना:

एक विकर्ण आव्यूह जिसमें सभी प्रमुख तत्व बराबर होते हैं, उसे अदिश आव्यूह कहा जाता है।

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:​​

यहाँ, हमें 5A - 3B + 4C का मान ज्ञात करना है। 

 

⇒ 

अतः  

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