⚠️ Mhanifa, can you help me, please? This is due asap and I will mark brainliest :) The image is attached. Thanks! (There are two questions.)

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).

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i