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Mainak Chakraborty Grade: Upto college level
        

Limx→-∞ x4 sin(1/x) + x2 / 1 + ¦x¦3   ←( mod x )3 equals :

6 years ago

Answers : (1)

Anurag Kishore
37 Points
										

Hi


I will take the question as


limx→-∞  x4 sin1/x + x2


            ______________


              1+ (mod x)3


 


as x→-∞  so mod x = - x


put y = 1/x


lim y->0 siny/y4 + 1/y2


            ----------------


             1 - 1/y3


Multiply num and denom by y3


limy-> 0 (siny/y - y)/(y3-1) = -1


 


 


 


Thanks


Anurag Kishore

6 years ago
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