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let the function f be defined by f (x)= ...

let the function f be defined by `f (x)= {{:(p+ qx+ x^(2)"," , x lt 2),( 2 px+3qx ^(2)"," , x ge 2):},` Then:

A

f (x) is continous in R if `3p + 10q =4`

B

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

C

If `p=-2,q=1,` then f(x) is continuos in R

D

f (x) is differentiable in R if `1p + 11q =4`

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