Question

Value of 4! will be

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Answer 1

Answer:

x! means product of all numbers from 1 to x.

4! will be 1×2×3×4 = 24

Another way you can do this is by this method:

$x! \: = \: \frac{(x + 1)!}{(x + 1)}$

So:

$4! \: = \: \frac{5!}{5} \\ \: \: \: \: \: \: \: \: \: = \: \frac{120}{5} \\ \: \: \: \: \: = 24$

Hope it helps.