If vectors vec(A) and vec(B) are 3hat(i) - 4hat(j) + 5hat(k) and 2hat(i) + 3hat(j) - 4hat(k) respectively find the unit vector parallel to vec(A) + vec(B).

If vectors vec(A) and vec(B) are 3hat(i) - 4hat(j) + 5hat(k) and 2hat(

1.	If vectors vec(A) and vec(B) are 3hat(i) - 4hat(j) + 5hat(k) and 2hat(i) + 3hat(j) - 4hat(k) respectively find the unit vector parallel to vec(A) + vec(B).
Answer» `((5i - j + K))/(SQRT(27))` `((5i + j + k))/(sqrt(27))` `((5i+j+k))/(27)` `((5i-j-k))/(27)` ANSWER :A