1.

lim_( x to 0)(xsqrt(y^(2)-(y-x)^(2)))/({sqrt((8xy-4x^(2))+sqrt(8xy))}^(3))=

Answer»

`(1)/(4Y)`
`(1)/(2)`
`(1)/(3sqrt(2))`
`(1)/(128y)`

ANSWER :D


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