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Standard XII
Mathematics
Sum of n Terms
21. If the ra...
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21. If the ratio of the sum of the first n terms of two APs is 4n+1:4n+27, find the ratio of their 9th terms.
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Q.
The ratio of the sum of first
n
terms of two APs is
(
7
n
+
1
)
:
(
4
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+
27
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. Find the ratio of their
m
t
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terms.
Q.
If the ratio of the sum of first n terms of two A.Ps in
(
7
n
+
1
)
:
(
4
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+
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, then find ratio of their
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t
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Q.
If the ratio of the sum of the first n terms of two A.P is
(
7
n
+
1
)
:
(
4
n
+
27
)
, find the ratio of their
9
t
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terms.
Q.
If the ratio of the sum of first 'n' terms of 2APs is (7n+1):(4n+27) find the ratio of their nth terms
Q.
If ratio of sum of first n terms of 2 APs is (7n+1):(4n+27), then find the ratio of their mth term?
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