Traditional Culture Encyclopedia - Photography major - Odd-even contrast photographic works

Odd-even contrast photographic works

F(x)=-f(-x) gives f (x) = log (1+x1-x)-f (-x =-log (1-x1+x) = log. ! !

Draw it on the map! !

The second question is 13, which is difficult to write! ! ! As long as you draw a picture, it can be done easily! ! ! Reuse Pythagorean Theorem and Photography Theorem! ! ! !