Question: The following algorithm computes the nth element of a sequence: Method calculate ( n ) if n = 1 then return 1 else if n

The following algorithm computes the nth element of a sequence:
Method calculate(n)
if n=1
then return 1
else if n=2
then return 2
else return calculate (n-1)- calculate (n-2)
endMethod
is calculate (5)?
The following algorithm computes the nth element of a sequence: Method

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