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Byju's Answer
Standard IX
Mathematics
Expansion of (a ± b)³
Evaluate the ...
Question
Evaluate the following:
(iii)
104
3
+
96
3
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Solution
Given,
104
3
+
96
3
Using Identity,
(
a
+
b
)
3
=
a
3
+
b
3
+
3
a
b
(
a
+
b
)
∴
a
3
+
b
3
=
(
a
+
b
)
3
−
3
a
b
(
a
+
b
)
∴
104
3
+
96
3
=
(
104
+
96
)
3
−
3
×
104
×
96
(
104
+
96
)
=
(
200
)
3
−
3
×
104
×
96
(
200
)
=
8000000
−
29952
(
200
)
=
8000000
−
5990400
=
2009600
∴
104
3
+
96
3
=
2009600
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