下列无穷级数中收敛的是()
A.1/5+1/6+1/7+… B.sin(π/2)+sin(2π/4)+sin(3π/2)+sin(4π/2)+… C.(1/2+1/3)+(1/22+1/32)+(1/23+1/33)+…． D.1/2+1/10+1/22+1/20+1/23+1/30+1/24+1/40+…正确答案C
下列无穷级数中收敛的是()
A.1/5+1/6+1/7+… B.sin(π/2)+sin(2π/4)+sin(3π/2)+sin(4π/2)+… C.(1/2+1/3)+(1/22+1/32)+(1/23+1/33)+…． D.1/2+1/10+1/22+1/20+1/23+1/30+1/24+1/40+…正确答案C
