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If sin thetaand cos theta are the roots ...

If `sin thetaand cos theta` are the roots of the equation `ax^(2)-bx+c=0,` then

A

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

B

`a^(2)+b^(2)=2ac`

C

`a^(2)+b^(2)+2ac=0`

D

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

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