"the vaule of arg (x) when `x lt 0` is (a) 0 (b) π /2 (c) π (d) none of these"
Channel: Doubtnut
Date: 19/01/2020

"the vaule of arg (x) when `x lt 0` is 
(a) 0 (b) π /2 (c) π (d) none of these"