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प्रश्न
Choose the correct alternative:
`int (sin^2x - cos^8x)/(1 - 2sin^x cosx) "d"x` is
विकल्प
`1/2 sin 2x + "c"`
`- 1/2 sin 2x + "c"`
`1/2 cos 2x + "c"`
`- 1/2 cos 2x + "c"`
उत्तर
`-1/2 sin 2x + "c"`
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