Question

Answer my question......​

Answer 1

ANSWER :

ANSWER REFER TO THE ATTACHMENT PROVIDED :

Answer 2

Answer:

Resultant Vector R is the Sum of vectors A and B

R = A + B

= ( 2i + 3j + 4k ) - ( 3i - 5j + k )

= 2i + 3j + 4k - 3i + 5j - k

= 2i - 3i + 3j - 3j + 4k - k

= -i + 0 j + 3k = - i + 3k

we know that

============

Full Vector = Unit Vector × Magnitude of Full Vector

=> Unit Vector = Full Vector / Magnitude of Full Vector

Now

magnitude of R =√ ( ( - 1 )² + 3² ) = √ ( 1 + 9 ) = √ ( 10 )

Thus Unit vector along the direction of R

= Vector R / Magnitude of R

=( - i + 3k ) / √( 10 )