Unit vector parallel to the resultant of vectors $\vec A = 4\hat i - 3\hat j$and $\vec B = 8\hat i + 8\hat j$ will be
$\frac{{24\hat i + 5\hat j}}{{13}}$
$\frac{{12\hat i + 5\hat j}}{{13}}$
$\frac{{6\hat i + 5\hat j}}{{13}}$
None of these
Which of the following relations is true for two unit vectors $\hat{ A }$ and $\hat{ B }$ making an angle $\theta$ to each other$?$
The magnitude of a given vector with end points $ (4, -4, 0)$ and $(-2, -2, 0)$ must be
What vector must be added to the two vectors $\hat i - 2\hat j + 2\hat k$ and $2\hat i + \hat j - \hat k,$ so that the resultant may be a unit vector along $X-$axis
How many minimum number of non-zero vectors in different planes can be added to give zero resultant