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If alpha and beta are the roots of 2x^(2...

 If alpha` and beta` are the roots of `2x^(2) – 3x -4 = 0` find the value of `2 alpha^(2)+ beta^(2)`

A

`(41)/(4)`

B

`(sqrt41)/(2)`

C

0

D

none of these

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B, D
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