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log(4*x+11)/log(7)+log(25-x^2)/log7>=-1 desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
                   /      2\      
log(4*x + 11)   log\25 - x /      
------------- + ------------ >= -1
    log(7)         log(7)         
$$\frac{\log{\left(25 - x^{2} \right)}}{\log{\left(7 \right)}} + \frac{\log{\left(4 x + 11 \right)}}{\log{\left(7 \right)}} \geq -1$$
log(25 - x^2)/log(7) + log(4*x + 11)/log(7) >= -1