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Byju's Answer
Standard XI
Mathematics
Sequence
The sum to in...
Question
The sum to infinity of the progression
9
−
3
+
1
−
1
3
+
1
9
−
…
is
A
27
/
4
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B
9
/
2
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C
9
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D
15
/
2
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Solution
The correct option is
A
27
/
4
Sum of infinite series
=
a
1
−
r
a
=
9
,
r
=
−
1
3
=
9
1
+
1
3
=
9
4
/
3
=
27
4
So, Ans is
27
4
Suggest Corrections
0
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Q.
Sum
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x
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to infinity is
(
x
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Q.
If sum to infinity of the series
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, find r if |r|<1
Q.
The sum of :
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27
.
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∞
is
Q.
What is the simplified form of
(
−
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7
×
−
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3
)
+
(
15
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×
−
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5
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−
(
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?
Q.
The value of
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upto infinity is:
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