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If (u)/(alpha)=(v)/(beta)=then (u)/(alph...

If `(u)/(alpha)=(v)/(beta)=then (u)/(alpha)=(v)/(beta)=((au^(n)+bv^(n))/(au^(n)+b beta^(n)))^(1/n)`
`If a/b=(a-c)/(b-d).then((2a^(2)+3c^(2))/(2b^(2)+3d^(2)))^(1/2)=`

A

`b/a`

B

`(a-b)/(c-d)`

C

`c/d`

D

`(c-d)/(c+d)`

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