Question

Evaluate the following sums
sum (2k)/(k-1), i=2 to 5

Answer 1

Can you list all steps for understanding?

Answer 2

for i=2, (2*2)/(2-1) = ???
for i=3, (2*3)/(3-1) = ???
for i=4, (2*4)/(4-1) = ???
for i=5, (2*5)/(5-1) = ???

now just add them up....

Answer 3

wait... is the "k" supposed to be "i" ???

Answer 4

the I is supposed to be a K sorry typo

Answer 5

thanks

Answer 6

yw... :)