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If y = x + (1)/(x + (1)/( x +...oo)) the...

If `y = x + (1)/(x + (1)/( x +...oo))` then `(dy)/(dx)` =`

A

`(y)/( 2 y -x)`

B

` (y)/(x + 2y )`

C

` (y)/(x -2y)`

D

y

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A
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DIPTI PUBLICATION ( AP EAMET)-DIFFERENTIATION -EXERCISE 1B
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  12. If y = x ^(2) + (1)/(x ^(2) + (1)/( x ^(2) +...oo)), then (dy)/(dx) =

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