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log7(4x+11)-log7(25-x^2)>=sin11pi/2 inequation

A inequation with variable

The solution

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                   /      2\              
log(4*x + 11)   log\25 - x /    sin(11*pi)
------------- - ------------ >= ----------
    log(7)         log(7)           2     
$$- \frac{\log{\left(- x^{2} + 25 \right)}}{\log{\left(7 \right)}} + \frac{\log{\left(4 x + 11 \right)}}{\log{\left(7 \right)}} \geq \frac{\sin{\left(11 \pi \right)}}{2}$$
-log(25 - x^2)/log(7) + log(4*x + 11)/log(7) >= sin(11*pi)/2
Solving inequality on a graph