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| 1. |
Given that, for all real x, the expression(x^(2)-2x+4)/(x^(2)+2x+4)lies between (1)/(3) and 3. The values which the expansion (9*3^(2x) +6*3^(x)+4)/(9*3^(2x)-6*3^(x)+4) lies are |
| Answer» Answer :a | |