Reverse Chain Rule Question
https://www.quora.com/profile/Bravewarrior/p-154135926
Here is the question with its solution. I am stuck on how in the mark scheme they managed to go from the second last line to k=2. How did they simplify the expression? Some help would be greatly appreciated!
Here is the question with its solution. I am stuck on how in the mark scheme they managed to go from the second last line to k=2. How did they simplify the expression? Some help would be greatly appreciated!
Original post by pigeonwarrior
https://www.quora.com/profile/Bravewarrior/p-154135926
Here is the question with its solution. I am stuck on how in the mark scheme they managed to go from the second last line to k=2. How did they simplify the expression? Some help would be greatly appreciated!
Here is the question with its solution. I am stuck on how in the mark scheme they managed to go from the second last line to k=2. How did they simplify the expression? Some help would be greatly appreciated!
(edited 1 month ago)
Original post by mqb2766
Youre told what the expression is in the question so even just looking at k/3, then k must be 2. You may be overthinking it.
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