An infinite straight line is divided by an
infinite no. of points into proportions,
each of length ?a?.
If any point P be taken so that ?y? is its
dist frm the st line and ?x? is its dist
measured along the st line, from one of
the points of division,
Prove that the sum of the squares of the
reciprocals of the point P from all the
points of division is
Pie/ay * sinh[2 pie*y/a]/ cosh[2pie*y/a]-cos[2pie*x/a]
n.teja
than Q
iit aspirant, 2008