Question:
Which is the correct answer?
Option 1: 1) 1 answer is incorrect, the others are correct
votes: 0
Option 2: 2) 2 answers are incorrect, the others are correct
votes: 0
Option 3: 3) 3 answers are incorrect, the others are correct
votes: 0
Option 4: ...
votes: 1
Option 5: n-2) n-2 answers are incorrect, the others are correct
votes: 0
Option 6: n-1) n-1 answers are incorrect, the others are correct
votes: 2
Option 7: n) n answers are incorrect, the others are correct
votes: 4
Option 8: INT[0,+infinity](dt/(sqrt(t)(e^(-t))))=2sqrt(SUM[k=1,+infinity](((-1)^(k+1))/(2k-1)))
votes: 3
The calculus one, obviously.. calculus can't be wrong! :)