1.

If sintheta and costhetaare the roots of the equationax^(2)-bx+c=0 , then which of the following selection is correct :

Answer»

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

ANSWER :B


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