https://s0.wp.com/latex.php?latex=%7Cf%28x%29+g%28x%29%7C+%5Cleq+%5Cfrac%7B1%7D%7Bp%7D+%7Cf%28x%29%7C%5Ep+%2B+%5Cfrac%7B1%7D%7Bq%7D+%7Cg%28x%29%7C%5Eq&bg=ffffff&fg=545454&s=0