Question
Download Solution PDFयदि तीन सदिश 1î - 2ĵ + 3k̂, 3î + 1ĵ - k̂ और 2î + λĵ + 4k̂ समतलीय हैं, तो λ का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
तीन सदिश
त्रिक अदिश गुणनफल (बॉक्स गुणनफल) को निम्न रूप में परिभाषित किया गया है:
गणना:
माना कि तीन सदिश
⇒
⇒
पंक्ति - 3 को विस्तारित करने पर
⇒ 2[(2 - 3) - λ(-1 - 9) + 4(1 + 6) = 0
⇒ - 2 + 10λ + 28 = 0
⇒ 26 + 10λ = 0
⇒ λ = - 2.6
Last updated on Jun 20, 2025
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