1.

I.4/sqrtx + 3/sqrtx = sqrtx II.y^(2) -(7^(5//2)//root()() y ) = 0

Answer»

if` x gt y`
if ` x lt y`
if ` x le y`
if x = y or cannot be established

SOLUTION :` 7/sqrt x = sqrt x rArrx = 7`
` (y^(2) xx y^(1//2) -7^(5//2))/SQRTY = 0`
` ((y^(5//2) -7^(5//2)))/sqrt y = 0`
` y^(5//2) = 7^(5//2)`
` y = 7,x = y`


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