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प्रश्न
If `int (dx)/(4x^2 - 1)` = A log `((2x - 1)/(2x + 1))` + c, then A = ______.
विकल्प
1
`1/2`
`1/3`
`1/4`
उत्तर
If `int (dx)/(4x^2 - 1)` = A log `((2x - 1)/(2x + 1))` + c, then A = `bb(1/4)`.
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