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Byju's Answer
Standard IX
Mathematics
(x±a)(x±b) = x²±(a+b)x+ab.
evaluate summ...
Question
evaluate summation of 1/i^(4m+k) K=1 to 2015 m belongs to N
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Similar questions
Q.
Evaluate
∑
n
r
=
1
[
∑
r
k
=
1
k
]
[
log
1
/
2
√
(
4
x
−
x
2
)
]
r
. Find
x
for which summation is a finite number as
n
→
∞
Q.
If k is and n be + ive integers and
s
k
=
1
k
+
2
k
+
3
k
.
.
.
+
n
k
,
then show that
∑
m
r
=
1
m
+
1
C
r
S
r
=
,
(
n
+
1
)
m
+
1
−
(
n
+
1
)
.
Hence evaluate
s
4
.
Q.
If
n
−
1
C
r
=
(
K
2
−
3
)
n
C
r
+
1
′
, then
k
belongs to
Q.
If
n
−
1
C
r
=
(
k
2
−
3
)
n
C
r
+
1
,
then k belongs to the interval
Q.
If
n
C
r
−
1
=
(
k
2
−
8
)
(
n
+
1
C
r
)
, then
k
belongs to
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(x±a)(x±b) = x²±(a+b)x+ab.
Standard IX Mathematics
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