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Byju's Answer
Standard XII
Mathematics
Sum of Coefficients of All Terms
Number of rat...
Question
Number of rational terms in the expansion of
(
3
1
8
+
5
1
3
)
400
is
A
17
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B
20
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C
102
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D
150
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Solution
The correct option is
A
17
T
r
+
1
=
400
C
r
⋅
3
(
50
−
r
8
)
⋅
5
r
3
so,
r
=
0
,
24
,
.
.
.
.24
×
16
Hence, Total terms
=
17
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