Question

2.
t
(
1
h
(2) 5
... toto simplifies to
(3) (4) 1
1
​

Answer 1

Answer:

9/10

Step-by-step explanation:

1/2 + 1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56 + 1/72 + 1/90

=>take lcm

1260+420+210+126+84+60+45+35+28/2520

=>2268/2520

=>9/10