已知冪級(jí)數(shù)()
A.b B.1/a C.1/b D.R的值與a、b無關(guān)
A. B. C.[1/n-1/(n+1)] D.sin(nπ/3)
級(jí)數(shù),下列哪個(gè)判斷是正確的()?
A.當(dāng)P>1/2時(shí),絕對(duì)收斂 B.當(dāng)P>1/2時(shí),條件收斂 C.當(dāng)0 D.當(dāng)0