lim(xto oo)cos(x/2)cos(x/4)cos(x/8)..cos...

`lim_(xto oo)cos(x/2)cos(x/4)cos(x/8)..cos(x/(2^(n)))`का मान है

`(sinx)/x`

`x/(sinx)`

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lim(xto 0)(sin (2+x)-sin(2-x))/x
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यदि S(n)=sum(k=1)^(n)a(k) तथा lim(nto oo)a(n)=a, तब lim(nto oo)(S(n+1)...
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lim(n to oo)([1/(n^(3)+1)+4/(n^(3)+1)+9/(n^(3)+1)+…………+(n^(2))/(n^(3)+...
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