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Standard XI
Mathematics
NCERT
Question
Evaluate
(i)
8
!
ii)
4
!
−
3
!
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Solution
Verified by Toppr
i)
8
!
=
1
×
2
×
3
×
4
×
5
×
6
×
7
×
8
=
40320
ii)
4
!
=
1
×
2
×
3
×
4
=
24
3
!
=
1
×
2
×
3
=
6
∴
4
!
−
3
!
=
24
−
6
=
18
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