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Question Number 113959 by mohammad17 last updated on 16/Sep/20

$$ifa,barealnumbersuchthata>b,c<0then$$ $$$$ $$\left(1\right)c.b⩾c.a\left(2\right)c.b>c.a\left(3\right)c.a>c.b$$ $$$$ $$chousetherightanswer$$

Answered by 1549442205PVT last updated on 16/Sep/20

$$\mathrm{Choose}\left(2\right)\mathrm{because}\mathrm{from}\mathrm{a}>\mathrm{b}\mathrm{multiplying}$$ $$\mathrm{two}\mathrm{sides}\mathrm{of}\mathrm{the}\mathrm{inequality}\mathrm{by}\mathrm{one}$$ $$\mathrm{number}\mathrm{c}<0\mathrm{we}\mathrm{will}\mathrm{obtain}\mathrm{an}$$ $$\mathrm{inequality}\mathrm{with}\mathrm{opposite}\mathrm{sign}$$ $$\mathrm{ac}<\mathrm{bc}\mathrm{or}\mathrm{cb}>\mathrm{ca}$$

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