This is a beautiful problem from ISI MStat 2018 problem 2, which uses the cute little ideas of telescopic sum and partial fractions.
Let be a sequence defined by
and
.
.
.
This is a beautiful problem from ISI MStat 2018 problem 2, which uses the cute little ideas of telescopic sum and partial fractions.
Let be a sequence defined by
and
.
.
.
Thank you! Really helpful ?
please check if the ans is (7/4)^1/3 . I think there is minus missing in the 4th line .