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The last digit of the following expreesi...

The last digit of the following expreesion is :
`(1!)^1 + (2!)^(2) + (3!)^(3) + (4!)^(4) + …(10!)^(10)`

A

4

B

5

C

6

D

7

Text Solution

Verified by Experts

The correct Answer is:
d
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MOTHERS-NUMBER SYSTEM-O
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