Prime Factors One-to-One Functions (Jee Mains) | ExamDuo
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Permutations
Medium
Prime Factors One-to-One Functions
Let
[
t
]
be the greatest integer less than or equal to t. Let A be the set of al prime factors of 2310 and
f
:
A
⟶
ℤ
be the function
f
(
x
)
=
[
log
2
(
x
2
+
[
x
3
5
]
)
]
. The number of one-to-one functions from
A
to the range of
f
is :
Ask about this question
SELECT ONE OPTION
A
20
B
120
C
25
D
24
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