Ascending order 1/2 1/3 5/12 3/4

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Determine the relationship of ab and cd given the following points

Which letters from the table represent like terms? a and b b and c a and d b and d