Question
Download Solution PDFजर a + b = 10 आणि ab = 9 असेल, तर a - b चे मूल्य आहे:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेले:
a + b = 10
ab = 9
वापरलेली संकल्पना:
(a – b)2 = a2 + b2 – 2ab
गणना:
⇒ (a – b) ला वर्ग केल्यावर, आपल्याला मिळते
⇒ (a – b)2 = (a + b)2 – 4ab
⇒ सूत्रामध्ये मूल्ये टाकणे,
⇒ (a – b)2 = 102 – 4 × 9 = 100 – 36
⇒ (a – b)2 = 64
⇒ a – b = \(\sqrt{64}\) = 8
म्हणून, a – b चे मूल्य 8 आहे.
Last updated on Jun 17, 2025
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