The coefficients of 2nd, 3rd and 4th term in expansion of [(1+x)raise to power n] are in A.P .Prove that 2n [power(2)]-9n+7=0 ?
Asked by Keshav pradhan | 13th Feb, 2014, 09:13: PM
Expert Answer:
Please check your question.
Answered by | 14th Feb, 2014, 11:12: AM
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