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Byju's Answer
Standard X
Mathematics
nth Term of an AP
Which of the ...
Question
Which of the following is a arthemetic progression? (1) n^2+n+1 (2)n^2+2n+3 (3)n^3+1 (4)2n+3
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Similar questions
Q.
Find the sum of
1.
n
2
+
2
(
n
−
1
)
2
+
3
(
n
−
2
)
2
+
.
.
.
.
.
.
n
.1
2
Q.
Find the sum of the following series
1
−
n
2
1
2
+
n
2
(
n
2
−
1
2
)
1
2
.2
2
−
n
2
(
n
2
−
1
2
)
(
n
2
−
2
2
)
1
2
.2
2
.3
2
+
.
.
.
.
to
n
+
1
terms.
Q.
Consider the following statement
P
(
n
)
:
1
+
3
+
5
+
.
.
.
+
(
2
n
−
1
)
=
3
+
n
2
,
n
∈
N
then which of the folowing is true?
Q.
P(n): 1 + 3 + 5 + 7 + 9 + .... + (2n - 1) =
n
2
is true for which of the following statements?
Q.
The number 1, 2, ....,
n
2
are arranged in an
n
×
n
array in the following way
1
2
3
....
n
n+1
n+2
n+3
....
2n
...
...
n
2
−
n
+
1
n
2
−
n
+
2
n
2
−
n
+
3
....
n
2
Pick n numbers from the array such that any two numbers are in different rows and different columns. Find the sum of these numbers
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Standard X Mathematics
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