Math, asked by hamza78646, 5 months ago

12(x² - y²) - 3/ r = {x? - x² + (x - 7² - 7"}}

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Answered by chauahsaab

Answer:

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Answered by bannybannyavvari

Answer:

If xy = 7 and x – y = 7, then x² + y² = (A) 35 (B) 42 (C) 49 (D) 56 (E) 63 ... ... bookmark. 3 kudos, 15 bookmarks ... Square both sides: (x - y)² = 7². Expand: x² - 2xy + .

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12(x² - y²) - 3/ r = {x? - x² + (x - 7² - 7"}}​

Answers

12(x² - y²) - 3/ r = {x? - x² + (x - 7² - 7"}}