I was wondering, when are you allowed to sub into the given equation to get your answer or when you can't because it doesn't seem to state it.
Show that questions [FP3 - Edexcel] Watch
- Thread Starter
- 21-06-2016 15:02
- 21-06-2016 17:19
If the question says "show that", you can always demonstrate the truth of a statement by showing that the thing you are substituting in "works".