
Show transcribed image text Dir Derivatives: Problem 15 Previous Problem Problem List Next Problem (1 point) Find a unit vector n normal to the surface 4z7 + x9-y-y. x = 4 at P-(1, -1, 1) (Use symbolic notation and fractions where needed. Enter your answer as vector coordinates in form () help (fractions)
Dir Derivatives: Problem 15 Previous Problem Problem List Next Problem (1 point) Find a unit vector n normal to the surface 4z7 + x9-y-y. x = 4 at P-(1, -1, 1) (Use symbolic notation and fractions where needed. Enter your answer as vector coordinates in form () help (fractions)





