Question
Download Solution PDFयदि
1. सदिश a और b आयतीय हैं।
2.
नीचे दिए गए कूट का प्रयोग करके सही उत्तर का चयन कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
यदि सदिश a और b आयतीय है, तो
गणना:
यहाँ,
दोनों पक्षों का वर्ग करने पर हमें निम्न प्राप्त होता है,
⇒4
⇒
इसलिए, सदिश a और b आयतीय हैं।
चूँकि हम जानते हैं कि, यदि
इसलिए, केवल (1) सही है।
अतः विकल्प (1) सही है।
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