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प्रश्न
Choose the correct alternative:
`int (sin5x - sinx)/(cos3x) "d"x` is
विकल्प
− cos 2x + c
− cos 2x + c
`- 1/4 cos 2x + "c"`
− 4 cos 2x + c
उत्तर
− cos 2x + c
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