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Byju's Answer
Standard VIII
Mathematics
Reversing the 2 Digit Numbers and Subtracting Them
2. d2. ) d dA...
Question
2. d2. ) d dA+. )c d )b . a )a option solve ______= Sn-2 + -2Sn-12- An If
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Similar questions
Q.
In an A.P., prove that
d
=
S
n
−
2
S
n
−
1
+
S
n
−
2
.
Q.
If
S
n
denotes the sum of
n
terms of an AP whose common differences is
d
, show that
d
=
S
n
−
2
S
n
−
1
+
S
n
−
2
Q.
If
S
n
denotes the sum of
n
terms of an
A
P
whose common difference is
d
and first term is
a
.
Find
S
n
−
2
S
n
+
S
n
+
2
.
Q.
2
S
n
2
+
→
S
n
4
+
+
S
n
This reaction is an example of:
Q.
For any
A
P
,
S
n
−
2
S
n
−
1
+
S
n
−
2
=
_________
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Reversing the 2 Digit Numbers and Subtracting Them
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