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Question
If (1 + x)n = c0 + c1x + C2x2 +……+ Cnxn , then C0 + `"C"_1/2 + "C"_1/3 + ……+ "C"_1/("n" + 1)` is equal to:
Options
`(2^"n" - 1)/"n + 1"`
`(2^"n" - 1)/"n - 1"`
`(2^"n - 1" - 1)/"n + 1"`
`(2^"n + 1" - 1)/"n + 1"`
MCQ
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Solution
`(2^"n + 1" - 1)/"n + 1"`
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Number System (Entrance Exam)
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