blueseas wrote:
Asifpirlo wrote:
my friend it's may be a therefore a*t = a - 2b ==.>2b = a(t-1).....(1 calculation mistake.
now the answer you find is 1st quardant, but it's 4th quadrant......
my bad ,
edited above.
it happens......
This is sort of my types of problems indeed.....
i miss calculate frequently
.....