Question

9. If A = 4 - 3j and B = 6î + 8), then magnitude and direction
of A + B with X-axis will be
(a) 5, tan (3/4)
(b) 5/5, tan (1/2)
(c) 10, tan-'(5)
(d) 25, tan-'(3/4)
20​

Answer 1

(B) is right answer
A+B = 10i+5j

Answer 2

Here is the ans. Option (b)

I got up from bed to do this so it better be right