Uploaded April 2025 | Updated September 2026, 2 weeks ago
We solve a problem from Problems through Problem Solving by Loren C Larson. This problem gives us the polynomial n^4-20n^2+4 and asks us to prove it outputs composites for all integer inputs. We'll prove this with contradiction and factoring. #maths #mathproblems #mathematics
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0:00 Intro
1:35 Terms
2:59 Factoring
6:02 Contradiction
9:34 Conclusion
We solve a problem from Problems through Problem Solving by Loren C Larson. This problem gives us the polynomial n^4-20n^2+4 and asks us to prove it outputs composites for all integer inputs. We'll prove this with contradiction and factoring. #maths #mathproblems #mathematics
Get Math Clothes NOW at mathshion.com
Join Wrath of Math to get exclusive videos, lecture notes, and more:
youtube.com/channel/UCyEKvaxi8mt9FMc62MHcliw/join
★DONATE★
◆ Support Wrath of Math on Patreon: patreon.com/join/wrathofmathlessons
◆ Donate on PayPal: paypal.me/wrathofmath
Outro music by me and available for channel members.
Follow Wrath of Math on...
● Instagram: instagram.com/wrathofmathedu
● TikTok: tiktok.com/@wrathofmathedu
● X: https://x.com/wrathofmathedu
0:00 Intro
1:35 Terms
2:59 Factoring
6:02 Contradiction
9:34 Conclusion










