Question
Download Solution PDF का मान ______ के बराबर होगा।
का मान ______ के बराबर होगा।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
बिंदु गुणनफल: इसे आंतरिक गुणनफल या अदिश गुणनफल भी कहा जाता है
माना कि दो सदिश
दो सदिशों का बिंदु गुणनफल निम्न द्वारा दिया जाता है:
जहाँ |
बिंदु गुणनफल के सूत्र:
गणना:
माना
इसी प्रकार,
इसलिए
= xî + yĵ + zk̂
इसलिए, निम्न का आवश्यक मान
= (xî + yĵ + zk̂ ).(xî + yĵ + zk̂ )
= x2 + y2 + z2 = |a|2
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