CAT Question of the Day Let α, β be the roots of the quadratic equation x2 + mx – 1 = 0, where m is an odd integer. Let
Γn = αn + βn, for n ≥ 0. Which of the following is true?
| OPTIONS | | | | 1) | Γn is always a composite number | | 2) | Γn is always an integer | | 3) | Γn need not be an integer always | | 4) | Γn can never be an integer |
Tip of the Day Diverse reading during the preparation time will help develop a comfort level with the Reading Comprehension passages. Get acquainted with passages based on philosophy, political theory and sociology. Last year's Question of the day (17-Oct-11) A clock is such that it loses 4 minutes each day. The clock is set right on February 25, 2008 at 2 p.m. How many minutes should be added to get the right time when the clock shows 9 a.m. on 3rd March, 2008?
| OPTIONS | | | | 1) | 9780/359 | | 2) | 9340/357 | | 3) | 9120/329 | | 4) | 8760/269 |
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