1.

If `lim_(ntooo) (an-(1+n^(2))/(1+n))=b`, where a is a finite number, thenA. `f(0)=1`B. `f((pi)/(2))=1`C. `f(a)=(cosa)^(cos^(2)a).(sina)^(sin^(2)a)" if "ain(0,(pi)/(2))`D. `f(a)=((sina)^(sin^(2)a))/((cosa)^(cos^(2)a))" if "ain(0,(pi)/(2))`

Answer» Correct Answer - A::C
Limit`=underset(ntooo)lim(an(1+n)-(1+n^(2)))/(1+n)=underset(ntooo)lim((a-1)n^(2)+an-1)/(n+1)`
If `a-1=0," limit "=underset(ntooo)lim(an-1)/(n+1)=a=b`
`:. a=b=1`


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