Question

$A={x:x∈Q , x =(-1)^n(\frac{1}{n}-\frac{4}{n};n∈N)}$ ഉച്ചതമ നീചപരിബന്ധം ................ ആണ്.

• A. -2/3
• B. -3/2
• C. 3/2
• D. 2/3

Answer 1

Answer:

B. -3/2

$(-1)^n(\frac{-3}{n})= (-1)^{n+1}(\frac{3}{n})$

inf = -3/2

sup=3