Math, asked by Anonymous, 1 year ago

Please answer the question as fast as you could...
i will surely mark brainliest whoever gives the right answer.

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Answers

Answered by dharshini20

I think 1/3 is the correct answer

dharshini20: How

dharshini20: Please tell

Anonymous: Summation of 1/r^2-1 can also be written as 1/(r-1)(r+1) = 1/2(1/(r-1)-1/(r+1)). Wr

Anonymous: We finally get the answer when other terms get cancellled.

Anonymous: cancelled*

dharshini20: Ok I am sorry for the wrong answer

Anonymous: Why sorry? You and Abinav tried the question while others ignored it.

dharshini20: Thank you

abhinav457: thanks for the ans

Anonymous: Welcome.

Answered by abhinav457

Through my equation I got 1/3.

PLEASE MARK ME THE BRAINLIEST

Anonymous: Procedure please ?

Anonymous: Sorry to say the answer is 3/4.

abhinav457: how it's ?

abhinav457: please tell solution

Anonymous: Summation of 1/r^2-1 can also be written as 1/(r-1)(r+1) = 1/2(1/(r-1)-1/(r+1))

abhinav457: ok

Anonymous: We finally get the answer when other terms get cancelled.

abhinav457: thank u

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