if (where '!' denotes factorial)
Then x is equal to -
100
90
170
None of these
As we learnt in
Factorial Notation -
The product of first n natural numbers. n! = n(n - 1) (n - 2) ..........3 . 2 . 1
- wherein
Where
Option 1)
100
Correct
Option 2)
90
Incorrect
Option 3)
170
Incorrect
Option 4)
None of these
Incorrect