\ \

Step 1 : \ \

g) \ \

The series is .

The sum can be written as .

The sum has 5 terms, each of the form , and starts at and ends at .

The summation notation of is :

.

Step 2 : \ \

\ \

g) \ \

The series is .

The sum can be written as .

The sum has 5 terms, each of the form , and starts at and ends at .

The summation notation of is :

.