Question

3
9
1
11 1
+
4x5 (3
+
upto 10 terms is equal to
3x43
7
1
The sum of
2x313
1 1
(A)
2 12x310
1 1
2 10x310
1 1
(B)
3 12x310
(c)
(D) none of these​

Answer 1

Answer:

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Answer 2

Answer:

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