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Q3 of 60 Page 21

The value of is equal to

We know by property that∑axⁿ + bx^{n - 1} + cx^{n - 2}…….d₀=a∑xⁿ + b∑x^{n - 1} + c∑x^{n - 2}…….. + d₀∑1

We know

(1)

(2)

(3)

Adding (1) (2) and (3)

=

More from this chapter

1

The sum to n terms of the series

2

The sum of the series :

4

If , then

5

If , then S_n is equal to

Questions · 60

21. Some Special Series

1 2 3 4 5 6 7 8 8 8 8 9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10

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