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Byju's Answer
Standard XII
Mathematics
Sequence
AAA
Question
AAA
A
AA
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B
AA
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C
AA
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Solution
The correct option is
B
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Similar questions
Q.
If
α
and
β
are the roots of the equation
x
2
−
a
x
+
b
=
0
and
A
n
=
α
n
+
β
n
, then which of the following is true?
Q.
Given
a
1
=
1
2
a
0
+
A
a
0
,
a
2
=
1
2
a
1
+
A
a
1
a
n
d
a
n
+
1
=
1
2
a
n
+
A
a
n
for n ≥ 2, where a > 0, A > 0.
Prove that
a
n
-
A
a
n
+
A
=
a
1
-
A
a
1
+
A
2
n
-
1
Q.
In
N
H
3
(
a
q
)
+
H
2
C
O
3
(
a
q
)
⟶
N
H
+
4
(
a
q
)
+
H
C
O
−
3
(
a
q
)
,
N
H
+
4
(
a
q
)
acts as a\an:
Q.
2
A
l
(
s
)
+
6
H
C
l
(
a
q
)
→
2
A
l
3
+
(
a
q
)
+
6
C
l
−
(
a
q
)
+
3
H
2
(
g
)
The reaction above is best described as a(an):
Q.
Question 5 (a)
An atom has electronic configuration 2, 8, 7.
What is the atomic number of this element?
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