1.

The value of `lim_(xrarr oo) {(x^4sin((1)/(x))+x^2)/(1+|x^3|)}` isA. 1B. -1C. 0D. `oo`

Answer» Correct Answer - B
We have ,
`lim_(xto oo) {(x^4sin((1)/(x))+x^2)/(1+|x^3|)}`
` =lim_(yto oo)(y^4sin((-1)/(y))+y^2)/(1+|x|^3),"where "y=-x`
` =lim_(yto oo) (-y^4sin((1)/(y))+y^2)/(1+y^3)`
` lim_(yto oo) (-ysin((1)/(y))+(1)/(y))/((1)/y^(3)+1)=(-1+0)/(0+1)=-1`


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