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IF alpha , beta are the roots of ax...

IF ` alpha , beta ` are the roots of ` ax ^(2) +bx + c =0` then ` alpha ^2 + beta ^2=`

A

`((b^2-2ac))/(a^2)`

B

`-b/c`

C

`((b^(2)-2ac))/(c^2)`

D

`((b^2-2ac))/(ac)`

Text Solution

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The correct Answer is:
A
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