Complete the tables of values (-1,4)(0,A)(2,B)(4,C)

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).

Evaluate the expression. (9 + 5)(3 + 2)0

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️