Practice problem
What is the triangle inequality?
∣a+b∣≥∣a∣+∣b∣|a+b|\geq|a|+|b|∣a+b∣≥∣a∣+∣b∣
∣a+b∣≤∣a∣+∣b∣|a+b|\leq|a|+|b|∣a+b∣≤∣a∣+∣b∣
∣a+b∣<∣a∣+∣b∣|a+b|<|a|+|b|∣a+b∣<∣a∣+∣b∣
∣a+b∣>∣a∣+∣b∣|a+b|>|a|+|b|∣a+b∣>∣a∣+∣b∣
Type a concept, like “slope” or “photosynthesis”.
