Let x^2-px+q=0, where p in R,q in R have...

Let `x^2-px+q=0,` where `p in R,q in R` have the roots `alpha,beta` such that `alpha+2beta=0` then - (i) `2p^2+q=0` (ii) `2q^2+p=0` (iii)`qlt0` (iv) none of these

`2p^(2) +q=0`

`2q ^(3) +p=0`

`q lt 0`

`q gt 0`

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The correct Answer is:

A, C

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