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If sum of the last 30 coefficients in th...

If sum of the last 30 coefficients in the expansion of `(1+x)^59`, when expanded in ascending power of 'x' is `2^n` then number of divisors of 'n' of the form `4lambda+ 2(lambda in N)` is (A)1 (B)0 (C)2 (D) 4

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