请问计算题:(1+1x3)分之1x(1+2x4)分之1x(1+3x5)分之一+..+(1+2013x2015)分之一怎么算?

问题描述:

请问计算题:(1+1x3)分之1x(1+2x4)分之1x(1+3x5)分之一+..+(1+2013x2015)分之一怎么算?
我急用.

=[(1+1/3)*.(1+N/(N+2)],(N》1),=(4/3)*(6/4)*.(N+2+N)/(N+2)=(4/3)*(6/4)*...(2N+2)/(N+2)={【2*3*...(N+1)】/【(3*4*...(N+2】}*2∧n=【2∧(N+1)】/(N+2)此时正与所求互为倒数,即原计算...等于2的2014次方分之2015?对