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Standard XII
Mathematics
Question
Choose the correct option for the following.
n
!
=
n
(
n
−
1
)
(
n
−
2
)
.
.
.
.
.3
.2
.1
True
False
Ambiguous
Data insufficient
A
Data insufficient
B
Ambiguous
C
False
D
True
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Solution
Verified by Toppr
Factorial : the product of an integer and all integer less than that
∴
n
!
=
n
×
(
n
−
1
)
×
(
n
−
2
)
.
.
.
.
.
.
.
.
.
.
.
.3
×
2
×
1
∴
The given statement
n
!
=
n
×
(
n
−
1
)
×
(
n
−
2
)
.
.
.
.
.
.
.
.
.
.
.
.3
×
2
×
1
is True
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Q1
Choose the correct option for the following.
n
!
=
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(
n
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)
(
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.
.
.
.
.3
.2
.1
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Q2
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Q3
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