Answer:
a)
b) (i)
(ii)

Explanation:
It is given that,
a)
We need to find the value of a+b+c.
b)
(i) We need to find the value of a+2c.
(ii) It is given that a+2c=kb, where k is an integer. We need to find the value of k.
On comparing both sides, we get
