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If alpha,a n dbeta be t roots of the equ...

If `alpha,a n dbeta` be t roots of the equation `x^2+p x-1//2p^2=0,w h e r ep in Rdot` Then the minimum value of `alpha^4+beta^4` is `2sqrt(2)` b. `2-sqrt(2)` c. `2` d. `2+sqrt(2)`

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