The position vector of a moving particle at't' sec is given by vecr = 3hati + 4t^(2)hatj - t^(3)hatk . Its displacement during an interval of t = Is to 3 sec is

The position vector of a moving particle at't' sec is given by vecr =

1.	The position vector of a moving particle at't' sec is given by vecr = 3hati + 4t^(2)hatj - t^(3)hatk . Its displacement during an interval of t = Is to 3 sec is
Answer» `hat(j) - hat(k)` `3 hat(i) + 4 hat(j) - hat(k)` `9 hat(i) + 36 hat(j) - 27 hat(k)` `32 hat(j) - 26 hat(k)` Answer :D