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@Apu
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Is this correct
Should rather be this no?

(This gives determinant as 0)
Will check calc soon
ok all of it is fine to me except a12
we add substract k in numerator
sum (1/k - 1/k+1)
1-1/n
n-1/n
Uske baad nth term ka 1/n+1 bachega
And 1st term ka 1
*1-1/(n+1)
1-1/(n+1)
yeahhh
minor error lol
got it thanx
+solved @SirLancelotDuLac
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