Test 8: Fluid Dynamics

Instruction: Create a pdf file with all the solutions, upload file on Google Drive and share the link in the form shared at the bottom of the page

Total Marks: 75

1) Find the directional derivative of ϕ(x,y,z)=x2yz+4xz2 at the point (1,-2,-1) in the direction of the vector 2→i−→j−2→k.

a) 379
b) 373
c) 376
d) 377