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Byju's Answer
Standard VI
Mathematics
Prime and Composite Numbers
FIND THE LCM ...
Question
FIND THE LCM OF X^2 -4 & X^4- 16
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Solution
Dear student
x
4
-
16
=
(
x
2
-
4
)
(
x
2
+
4
)
a
n
d
a
n
o
t
h
e
r
i
s
x
2
-
4
s
o
f
o
r
l
c
m
f
i
r
s
t
s
e
e
w
h
a
t
i
s
c
o
m
m
o
n
i
n
t
h
e
n
w
h
i
c
h
i
s
(
x
2
-
4
)
n
o
w
m
u
l
t
i
p
l
y
i
t
b
y
t
h
e
r
e
m
a
i
n
g
p
a
r
t
(
x
2
-
4
)
(
x
2
+
4
)
=
(
x
4
-
16
)
Lcm will be x^4 - 16
regards
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