If 5x – y, 2x + y, x + 2y are in A.P. and (x–1) 2 , (xy + 1), (y+1) 2 are in G.P., x ≠ 0…
Mathematics · JEE Advanced · NTA Exams — Progression and Series
If 5x – y, 2x + y, x + 2y are in A.P. and (x–1)2, (xy + 1), (y+1)2 are in G.P., x ≠ 0, then x + y =
- \(\frac{3}{4}\)
- 3
- –5
- none of these
Answer
(A) 3 4
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