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x^2log343(5-x)<=log7(x^2-10x+25) desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
                    / 2            \
 2 log(5 - x)    log\x  - 10*x + 25/
x *---------- <= -------------------
    log(343)            log(7)      
$$x^{2} \frac{\log{\left(5 - x \right)}}{\log{\left(343 \right)}} \leq \frac{\log{\left(\left(x^{2} - 10 x\right) + 25 \right)}}{\log{\left(7 \right)}}$$
x^2*(log(5 - x)/log(343)) <= log(x^2 - 10*x + 25)/log(7)