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प्रश्न
Choose the correct alternative:
θ is acute angle between the lines x2 – xy – 6y2 = 0 then `(2costheta + 3sintheta)/(4costheta + 5costheta)`
विकल्प
1
`- 1/9`
`5/9`
`1/9`
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उत्तर
`5/9`
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