QUESTION 13 T Find the direction in which f(x, y, z) (4,1,1)? yz decreases most rapidly...
т Find the direction in which f(x, y, z) (4,1,1) - yz decreases most rapidly at the point y ОА 1 27 (1,5,1) 1 (1.-5.-1) 1 27
Find the directions in which the function increases and decreases most rapidly at Po Then find the derivatives of the function in these directions f(x,y,z) = (x/y) - yz, Po(-3.1.4) The direction in which the given function f(x,y,z) = (x/Y)- yz increases most rapidly at Po(-3.1.4) isu = 11+( 1+ k (Type exact answers, using radicals as needed) The direction in which the given function f(x,y,z) = (x/y) - yz decreases most rapidly at Po(-3.1.4) is -u=1:-( k (Type exact...
Find the directions in which the function increases and decreases most rapidly at Po. Then find the derivatives of the function in those directions u f(x,y,z) = 4 In (xy) + 2 In (yz)+2 In (xz). Po(1,1,1) In which direction does the function increase most rapidly? (i+1+O (Type exact answers, using radicals as needed) In which direction does the function decrease most rapidly? = (1+) ;+ OK (Type exact answers, using radicals as needed.) What is the value of the...
Find the direction in which the function is increasing most rapidly at the point Po. f(x,y)= xe Y – In (x), P,(3,0) 9 O A. li + 85 B. Vas ( ) + ( ) it ( 726 ( ve 9 85 OD.
Use the gradient rules to find the gradient of the given function, f(x,y,z) = x+yz y+xz Choose the correct answer below. 1 O A. Vf(x,y,z) = -((1-z?)z(z2 - 1).y? - x?) (y + xz)? OB. Vf(x,y,z) = (z(1-z?)y(z? - 1),z2 + x2) (x + yz)? O c. Vf(x,y,z) = (y(1+z2),x(z? + 1).y? - z?) (x + yz)? OD. Vf(x,y,z) = -(y (1-2²), x(2² - 1), y² - x²) (y + xz)2
1. Find the directional derivative of the function f(x, y, z) = 2.cy – yz at the point (1,-1,1) in the direction of ū= (1,2,3). Is there a direction û in which f(x, y, z) has a directional derivative Dof = -3 at the point (1,-1,1)?
Find a vector that gives the direction in which the given function increases most rapidly at the indicated point. F(x, y, z) = xy2 + 6xz+y + 3yz?; (1,4,-1)
QUESTION 23 If f(x, y) = x sin(xy?), compute fу (п. 1). ОА. - ОВ. -8 ос. -2 OD" - ОЕ. — бл
Find the direction in which the function is increasing or decreasing most rapidly at the point P o f(x, y, z) = xy-ln(z), Po(1,-2, 2)
13. (10 points) (a): Find the line integral of f(x, y, z) = x+y+z over the straight-line segment from (1,2,3) to 0,-1,1). (b): Find the work done by F over the curve in the direction of increasing t, where F=< x2 + y, y2 +1, ze>>, r(t) =< cost, sint,t/27 >, 0<t<27.