in which we see, first, that all the coefficients of the powers of
are severally equal to zero; and secondly, that the general form for
the coefficient of the 2(
)th term (that is of
even any power of
in which we see, first, that all the coefficients of the powers of
are severally equal to zero; and secondly, that the general form for
the coefficient of the 2(
)th term (that is of
even any power of