Question: 1 - 1 ( 1 pt ) : Two vectors are: U = x 2 i + 2 y 2 z j + xz k;

1-1(1 pt): Two vectors are: U = x2 i +2y2z j + xz k; V =2xy i + yt j +7t k. Please determine the dot
product: U V =?
A function (f) can be expressed as f(x,y,z,t)=20xz2+5x2yt +3z.
1-2(1 pt): Please determine the gradient: f =?
1-3(1 pt): Please determine the Laplacian: f =2 f =?

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