दिया गया है कि सदिश  और  असंरेख हैं। तो x और y के वे मान  जिनके लिए   सत्य होता है यदि  और हैं, क्या हैं?

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NDA (Held On: 19 Apr 2015) Maths Previous Year paper
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  1. x = 2, y = 1
  2. x = 1, y = 2
  3. x = -2, y = 1
  4. x = -2, y = -1

Answer (Detailed Solution Below)

Option 1 : x = 2, y = 1
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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गणना:

यहाँ

  and 

हमारे पास  भी है

 

अब, α और β घटकों के बराबर करके हम प्राप्त करते हैं

इसलिए, विकल्प (1) सही है।

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