It is good for you to have such a good chance to study abroad, but it remains ____________ whether you can really learn something useful.(本题1.0分) A、 to be seen B、 to see C、 seen D、 seeing
参考答案:
判定下列级数的敛散性(1)∑1/2n-1 (2)∑1/n.2^n (3)∑^n-2 1/1n n (
判定下列级数的敛散性(1)∑1/2n-1 (2)∑1/n.2^n (3)∑^n-2 1/1n n (4)∑1/√n(n+1)