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Find the indicated terms of the sequenc...

Find the indicated terms of the sequence whose `n^(t h)`terms are :
`a_n=(n(n-2))/(n+3)`; `a_(20)`

Text Solution

Verified by Experts

`a_n=n(n-2)/(n+3)`
So,
`a_20= 20((20-2))/(20+3)`
`a_20=20 times 18/23`
`a_20=360/23`
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