Question
Download Solution PDFजर x2 − 2xy = 84 आणि x − y = −10 असेल, तर y चे मूल्य आहे:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
x2 − 2xy = 84
x = y - 10
गणना:
प्रश्नानुसार,
x2 − 2xy = 84 ------------(1)
आणि x = y - 10
आता समीकरण(1) मध्ये x = y - 10 टाका
(y - 10)² - 2y(y - 10) = 84
⇒y² - 20y + 100 - 2y² + 20y = 84
⇒- y² = 84 - 100
⇒ y² = 16
⇒ y = 4
म्हणून, आवश्यक मूल्य 4 आहे.
Last updated on Jul 8, 2025
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