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Find the sum [(a-b)/(a+b)+(3a-2b)/(a+b)...

Find the sum `[(a-b)/(a+b)+(3a-2b)/(a+b)+(5a-3b)/(a+b)+…+"to 12 terms"]`

Text Solution

Verified by Experts

The correct Answer is:
`S_(12) = 6/(a+b) (24a -13b)`
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