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प्रश्न
Choose the correct alternative:
If tan α and tan β are the roots of x2 + ax + b = 0 then `(sin(alpha + beta))/(sin alpha sin beta)` is equal to
पर्याय
`"b"/"a"`
`"a"/"b"`
`- "a"/"b"`
`- "b"/"a"`
उत्तर
`- "a"/"b"`
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