Question
Download Solution PDFयदि समीकरणों 14x + 8y + 5 = 0 और 21x - ky - 7 = 0 का कोई हल नहीं है, तब k का मान क्या है:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF⇒ समीकरणों का कोई हल नहीं होता जब उनकी ढलान समान होती है
⇒ समीकरण 1 की ढलान = - 14/8 = - 7/4
⇒ समीकरण 2 की ढलान = 21/k
⇒ अतः 21/k = - 7/4
∴ k का मान - 12 है।Last updated on Jun 2, 2025
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