Refer to the attachment and answer these questions. ( 1 ). Find the first counting number 'x' in group n.
( 2 ). Find the sum S of all counting numbers in group n.
Please also show your work too so others and I can understand. Thanks in advance!

555.99.

step-by-step explanation:

hope this

34

step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b