Question

help me with this question ​

Answer 1

$\:\: \underline{\underline{\bf{\large\mathfrak{~~Solution~~}}}}$

therefore the resultant of the vectors is ..

$= \sqrt{12 {}^{2} + 5 {}^{2} } \\ = \sqrt{144 + 25} \\ = \sqrt{169} \\ = 13$

therefore the unit vector is ....

$= \frac{12i + 5j}{13} \\ = \frac{12}{13} i + \frac{5}{13} j$

$:\: \underline{\underline{\bf{\large\mathfrak{~hope ~this ~help~you~~}}}}$

Answer 2

$\huge\mathfrak\orange{Thanks}$