Try this beautiful problem from the Pre-RMO, 2017 based on Series.
Let the sum written in its lowest terms be
, find the value of q-p.
Series
Integers
Rearrangement of terms in series
Answer: is 83.
PRMO, 2017, Question 6
Calculus Vol 1 and 2 by Apostle
here
=
=
+
=
=83.
Try this beautiful problem from the Pre-RMO, 2017 based on Series.
Let the sum written in its lowest terms be
, find the value of q-p.
Series
Integers
Rearrangement of terms in series
Answer: is 83.
PRMO, 2017, Question 6
Calculus Vol 1 and 2 by Apostle
here
=
=
+
=
=83.