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प्रश्न
Choose the correct alternative from the following.
`int (1 - "x")^(-2) "dx"` =
विकल्प
`(1 + "x")^-1` + c
`(1 - "x")^-1` + c
`(1 - "x")^-1 - 1` + c
`(1 - "x")^-1 + 1` + c
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उत्तर
`(1 - "x")^-1` + c
Explanation:
`int (1 - "x")^(-2) "dx" = (1 - "x")^-1/(- 1 xx -1)` + c
`= (1 - "x")^-1` + c
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