inverese from bansal

Discussion Response Post to: inverese from bansal

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Blazing goIITian

total posts: 985
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general term is cot^-1(n²+3/4) or tan^-1(1/ n²+3/4)

Now write n2+3/4 as (n²-1/4)+1

or (n+1/2)(n-1/2) +1

Hence the genral term becomes tan^-1(n+1/2) - tan^-1(n-1/2)

the answer becomes pi/2 - tan^-11/2

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