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Question Number 95167 by Rio Michael last updated on 23/May/20

$$\mathrm{the}\mathrm{first}\mathrm{term}\mathrm{in}\mathrm{a}\mathrm{geometric}\mathrm{series}\mathrm{is}\frac{(2x+7)}{2x-5}\mathrm{and}\mathrm{the}\mathrm{common}\mathrm{ratio}\mathrm{is}$$$$\frac{(2x-5)}{2x+7}\mathrm{find}\mathrm{the}\mathrm{set}\mathrm{of}\mathrm{values}\mathrm{of}x\mathrm{for}\mathrm{which}\mathrm{all}\mathrm{the}\mathrm{terms}\mathrm{are}\mathrm{possible}.$$

Commented by john santu last updated on 23/May/20

$$\left(1\right)\mathrm{x}\ne \frac{5}{2}\wedge \mathrm{x}\ne -\frac{7}{2}$$

Commented by Rio Michael last updated on 23/May/20

$$\mathrm{perfect}\mathrm{sir},\mathrm{i}\mathrm{understand}\mathrm{now}\mathrm{perfectly}.$$

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