AMC/AIME Prep: Complex Numbers

Avocet Math video for AMC12 and AIME preparation

😮 Ooops, meant to say “modular residue” not “modulus” in last minute of video.

Complex Nums Example Video Solutions
Ex_1: Problem 15, 1991 AMC 12
https://youtu.be/DM5Zq2-Q-Fw
Ex_2: Problem 18, 1985 AMC 12
https://youtu.be/19HmOSxL3Bg
Ex_3: Problem 17, 2019 AMC 12B
https://youtu.be/-1UFrpPUFqE
Ex_4: Problem 24, 2002 AMC 12A
https://youtu.be/LTSCzF5-src
Ex_5: Problem 12, 2019 AIME 1
https://youtu.be/nRLgIUC0bGA
Ex_6: Problem 14, 2019 AMC 12A
https://youtu.be/mrN5kqGRsho
Ex_7: Problem 6, 2018 AIME 1
https://youtu.be/S4Nv05UqX9c
Ex_8: Problem 10, 2017 AIME 1
https://youtu.be/sR3ruYG8Yc0

💚 Additional tips, probs and solns pdf
https://drive.google.com/open?id=14Xux6Qn4jhOy3GGm1b2SZVIN79oPUcxj />
💙 Complex Number Primers pdf
https://drive.google.com/open?id=1DUlUgMpzU6jcYt0dX3Jv9JqTE7cUAW06 />https://drive.google.com/open?id=1wJacjlq2PtSJuribXtAzrOkCy0mu2Mam />Many similar docs out there, but stick to teaching materials with LOTS of pictures. Pictures are essential for solving AMC problems quickly.

♦ If you’re more of a symbolic thinker, then the AoPS solution may suit you better:
https://youtu.be/cIygV7-_Q1o
As a visual thinker, I usually don’t know if such mental math is likely to produce a useful result unless I draw some pictures first.

🔺 Must have Google account and Google drive enabled to access public drive files. Chrome and Android usually come equipped; need to install app for Apple iOS.