Express each of the following equations in the form ππ + ππ + π = π and indicate the values of a, b, c in each case.
(i) ππ + ππ = π. π
(ii) ππ βπ/π+ π = π
(iii) ππ β ππ = π
(iv) ππ = ππ
(v)π/πβπ/π= π
(vi) βππ + βππ = π