Question

8. If an equation of a tangent to the curve, y = cos(x + y),
-1<x<1+1, is x + 2y = k then k is equal to :
(a) 1
(b) 2
14.
TT
(d)
na
(c)
4​

Answer 1

Answer:

2/5892;801@(26881789/1/1@7@+1(@)@//1/2