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If alpha, beta, gamma are roots of x^(3...

If `alpha, beta, gamma ` are roots of `x^(3) - 2x^(2) + 3x - 4 = 0`, then `sum a^(2) beta^(2)` =

A

7

B

`-7`

C

6

D

`-6`

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The correct Answer is:
B
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AAKASH SERIES-THEORY OF EQUATIONS-EXERCISE-III
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