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प्रश्न
Integrate the following functions with respect to x:
30 sec(2 – 15x) tan(2 – 15x)
उत्तर
`[int sec ("a"x + "b") tan ("a"x + "b") "d"x = 1/"a" sec ("a"x + "b") + "c"]`
`int 30 sec(2 - 15x) tan(2 - 15x) "d"x = 30 xx 1/(- 15) xx sec (2 - 15x) + "c"`
= `- 2 sec(2 - 15x) + "c"`
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