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`lim_(xto0) ((1+tanx)/(1+sinx))^(cosecx)` is equal toA. `underset(xto0)limf(x)` exists for `ngt0`B. `underset(xto0)limf(x)` does not exists for `nlt0`C. `underset(xto0)limf(x)` does not exists for any value of nD. `underset(xto0)limf(x)` exists for any value of n |
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Answer» Correct Answer - C `underset(xto0)lim((1+tanx)/(1+sinx))^(cosecx)=underset(xto0)lim((1+tanx)^((1)/(sinx)))/((1+sinx)^((1)/(sinx)))` `=(underset(xto0)lim((1+tanx)^((1)/(tanx)))^((1)/(cosx)))/((1+sinx)^((1)/(sinx)))` `=(e^((1)/(cos0)))/(e)=1` |
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