Question

The line y=Kx-5 where k is a positive constant is a tangent and to the curve y=x2 +4x at point A. Find the value of k

Answer 1

Answer:

If A= {-2,0,1,3,5},B={ -1,0,2,5,6} and c={-1,2,5,6,7}, then verify de- Morgan's laws of set difference