- #1
timetraveller123
- 621
- 45
Homework Statement
ok here is another problem that wrecked me in todays olympiad
find smallest integer n such that
5 (32 + 22)(34 + 24)(38 + 28)...(32n + 22n) > 9256
Homework Equations
The Attempt at a Solution
ok once again how am i supposed to start
does writing 3 = 2+1 help?
i don't see how i can factorize or cancel terms can't telescope cause not summation
hint please!
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