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Byju's Answer
Standard X
Mathematics
Fundamental Theorem of Arithmetic
Find number o...
Question
Find number of triplets
(
a
,
b
,
c
)
possible such that
(
a
b
)
c
=
4
.If
a
,
b
,
c
are positive integers only.
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Solution
(
a
b
)
c
=
4
a
b
c
=
4
1
(or)
2
2
C
a
s
e
(
i
)
–
–––––––
–
When
a
=
4
then
b
c
=
1
I.e.,
b
=
c
=
1
C
a
s
e
(
i
i
)
–
––––––––
–
When
a
=
2
then
b
c
=
2
I.e.,
b
=
1
and
c
=
2
(or)
b
=
2
and
c
=
1
The possible triplets
(
a
,
b
,
c
)
are
(
4
,
1
,
1
)
,
(
2
,
1
,
2
)
,
(
2
,
2
,
1
)
∴
The
number of such triplets = 3
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