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If `alpha and beta` are the roots equation `ax^2-2bx+c=0, then alpha^3beta^3+alpha^2beta^3+alpha^3beta^2=` (A) `c^2/a^3(c+2b)` (B) `c^2/c^3(c-2b)` (C) `bc^2/a^3` (D) none of these

A

`(c^2(c+2b))/a^3`

B

`(bc^2)/a^3`

C

`c^2/a^3`

D

None

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The correct Answer is:
A
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