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Let f:RtoR is given by f(x)={(p+qx+x^(2...

Let `f:RtoR` is given by
`f(x)={(p+qx+x^(2),xlt2),(2px+3qx^(2),xge2):}` then:

A

`f(x)` is continuous in `R` if `2p+5q=4`

B

`f(x)` is differentiable in `R` if `p!=q`

C

`f(x)` is differentiable in `R` if `p=q=4/13`

D

if `p=-2` and `q=3` then `f(x)` is continuous in `R`

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