If `vec(A)= 4hat(i)-3hat(j)` and `vec(B)= 6hat(i)+8hat(j)` then magnitude and direction of `vec(A)+vec(B)` from +x axis wil be

Options

A. `5, tan^(-1)(3//4)`
B. `5 sqrt(5), tan^(-1)(1//2)`
C. `10, tan^(-1)(5)`
D. `25, tan^(-1)(3//4)`

Answer

B