2n25 The fractional part ofnEN is equal to(a) 0 – InterviewSolution

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1.

2n25 The fractional part ofnEN is equal to(a) 0

Answer»

(√6)²ⁿ/5 = 6ⁿ/5 = 1/5*(5+1)ⁿ , The last term of the expansion of (5+1)ⁿ = 1ⁿ = 1 .. other than that all will be divisible by 5

so, the last term will be 1/5 and that will be the fractional part..

option C

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