(2) 40(4) 353) 28If the coefficients of 2nd, 3rd and 4th terms in thee – InterviewSolution

1.	(2) 40(4) 353) 28If the coefficients of 2nd, 3rd and 4th terms in theexpansion of (1 + x)2n are in A.P, then(1) 2n2 - 9n 7 0(2) 2n2 + 5n + 7 0(3) n2 - 9n + 7 0(4) n2+ 9n-7 0
Answer» Hence proved

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