1.

`lim_(xrarr0) (sin(picos^2x))/(x^2)` equalsA. `-pi`B. `pi`C. `(pi)/(2)`D. `1`

Answer» Correct Answer - B
We have ,
`lim_(xto0) (sin(picos^2x))/(x^2)`
` =lim_(xto0) (sin(pi-picos^2x))/(x^2)`
` =lim_(xto0) (sin(pisin^2x))/(pisin^2x)xx(pisin^2x)/(x^2)=1xxpixx(1)^2=pi`


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