A=x:x∈Q,x=(−1)n(1n−4n;n∈N)A={x:x∈Q , x =(-1)^n(\frac{1}{n}-\frac{4}{n};n∈N)} A=x:x∈Q,x=(−1)n(n1−n4;n∈N) ഉച്ചതമ നീചപരിബന്ധം ................ ആണ്. A-2/3B-3/2C3/2D2/3Answer: B. -3/2 Read Explanation: (−1)n(−3n)=(−1)n+1(3n)(-1)^n(\frac{-3}{n})= (-1)^{n+1}(\frac{3}{n})(−1)n(n−3)=(−1)n+1(n3)inf = -3/2sup=3 Read more in App