++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + + + |\ + + | \ + + | \ + + | \ + + q=2.(e^2 -e) | \ r = 2.(e^2 - e)+1 = 2.e.(e-1)+ 1 + + = 2.e.(e-1) | \ = q + 1 + + | \ + + |_______\ + + p = 2.e - 1 + ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++