Question: 4. Draw the stack after the second call to r in the following haskell code. px=qx 9x= let y = 2 rx = let

 4. Draw the stack after the second call to r in the 

4. Draw the stack after the second call to r in the following haskell code. px=qx 9x= let y = 2 rx = let y = 6 in p (x + y) in r (x * y) p 10

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