What do you do when you find yourself unable to solve a math problem?
Take a walk. Take a shower. This has been discussed to death. If you have never done competitions, learn problem solving techniques from Larson or Zeitz.
>>16704440 (OP)You just stare at it long enough. Maybe hit your head on the wall a few times. Then you’re taking a shower two months later and you suddenly realize how to solve it. That’s how my PhD went.
Add a dark number so the calculation adds up