1.

If R=([1+((dy)/(dx))^2]^(3/2))/((d^2y)/(dx^2)), then R^(2/3) can be put in the form of

Answer»

`1/(((d^2y)/(dx^2))^(2/3))+1/(((d^2x)/(dy^2))^(2/3))`
`1/(((d^2y)/(dx^2))^(3/2))+1/(((d^2x)/(dy^2))^(3/2))`
`2/(((d^2y)/(dx^2))^(2/3))+2/(((d^2x)/(dy^2))^(2/3))`
`1/(((d^2y)/(dx^2))^(2/3)) CDOT 1/(((d^2x)/(dy^2))^(2/3))`

ANSWER :A


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