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| 1. |
If the first three terms of an A.P are b, C and 2b, then find the ratio of b and c. |
| Answer» givenb ,c and 2 b are in Apthen the common differencesc - b = 2b-c-b- 2b = -c - c-3b = -2c\xa0{tex} \\frac{b}{c} = \\frac{ - 2}{ - 3} {/tex}then,{tex} \\frac{b}{c} = \\frac{2}{3} {/tex}\xa0 | |