1.

If sin alpha, cos alpha are the roots of the equation ax^(2) + bx + c = 0, (a ne 0) , then

Answer»

`a^(2) - b^(2) +2ac = 0`
`a^(2) + b^(2) - 2ac = 0`
`(a - c)^(2) = b^(2) + c^(2)`
NONE of these

Answer :A


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