MCQOPTIONS
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| 1. |
If \[\alpha \]and \[\beta \] are roots of the equation \[A{{x}^{2}}+Bx+C=0\], then value of \[{{\alpha }^{3}}+{{\beta }^{3}}\] is [RPET 1996; DCE 2005] |
| A. | \[\frac{3ABC-{{B}^{3}}}{{{A}^{3}}}\] |
| B. | \[\frac{3ABC+{{B}^{3}}}{{{A}^{3}}}\] |
| C. | \[\frac{{{B}^{3}}-3ABC}{{{A}^{3}}}\] |
| D. | \[\frac{{{B}^{3}}-3ABC}{{{B}^{3}}}\] |
| Answer» B. \[\frac{3ABC+{{B}^{3}}}{{{A}^{3}}}\] | |