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| 1. |
Resolve `(1)/(x^(2)-7x-18)` into partical fractions.A. `(1)/(11)((1)/(x-9)-(1)/(x+2))`B. `(1)/(11)((1)/(x-9)+(1)/(x+2))`C. `(1)/(11)((1)/(x+9)-(1)/(x-2))`D. `(1)/(11)((1)/(x+9)+(1)/(x+2))` |
| Answer» `(1)/(x^(2)-7x-18)=(A)/(x-9)+(B)/(x+2)`. | |