འགལ 2. Find a unit vector in the direction of 3

Enter your answer as a vector. Example: Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for Does Not Exist, oo for Infinity

PLease don't provide handwritten solution.

Let a = (-5, 2, 4) and b = (-1, 5, 3). Find à x b. - (Enter your answer as a vector of the form .) axb

Define zero vector.

photo is attached

please help thank you so much

How could you describe vector subtraction geometrically?