n                   n                  n

logx/x [n..] + logy/y [n..] +logz/z [n..] * π=

x^*logx/x [n..]ⁿ+y^*logx/x [n..]ⁿ+z^*logx/x [n..]ⁿ* π = 

x^*logx/x [n..]+y^*logx/x [n..]ⁿ+zlogx/x [n..]ⁿ * π= 

8x^*logx/x [n..]²+5y^*logx/x [n..]²−4xy^*logx/x [n..]+2x^*logx/x [n..]+4y^*logx/x [n..]−1* π = 

8x^*logx/x [n..]²+5y^*logx/x [n..]²−4x^*logx/x [n..]y+2x+4y^*logx/x [n..]−1* π = 

4x^*logx/x [n..]²+y^*logx/x [n..]²−z^*logx/x [n..]²* π = 

y^*logx/x [n..]² * π= x^*logx/x [n..]⁴−4x^*logx/x [n..]²* π+1=