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12 votes
12 votes
Which expression is equivalent to the series
shown?

Which expression is equivalent to the series shown?-example-1
User Rudy Jessop
by
2.7k points

2 Answers

16 votes
16 votes

Answer:

I think, It is (a) The first one

Explanation:

I hope that is useful for you :)

User Fergara
by
2.7k points
12 votes
12 votes

Answer:

The bottom left is the correct expression. The Second part is: 348255

Explanation:

on edge, use summation formula for when the lower index isn't equal to 1

User Kerrubin
by
3.2k points