25*2-42/6+18
Check whether the function xy ^ 2 is the real part of an analytic function.
x*y*z=72
x*y=32
x=?
xy + ysquare = 1 find y''
3-4=1
2/5 x 3/7
7 to the power of x = 1, find x
a^3+1/a^3=18 $\sqrt{\}$3 then solve that a^10+1/a^5