Answers

2014-10-16T19:28:02+08:00
To find N you'll have:
N =  \frac{5}{6} ( \frac{6}{7})( \frac{7}{8})( \frac{8}{9})( \frac{9}{10})
note that 6/6=1, 7/7=1, 8/8=1, 9/9=1
therefore you'll be left with the expression
5 x 1/10 = N
N = 1/2
1 5 1