Most mathematical models do not admit exact solutions. Asymptotic and perturbation methods provide powerful techniques for obtaining approximate solutions, which allow one to draw physical conclusions ...
In connection with the function π(x), one shows that for any positive numbers a₁, a₂,..., an and any real numbers α₁, α₂,..., αn the sign of the expresion ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback