Kizspy | Question: 29
(Choose 1 answer)
(See picture)
A. a = 1, b = s, c = s, d = 1, for arbitrary s.
B. as, b = 1, c = 1, d = s, for arbitrary s.
C. at, bt, c=s, d =s, for arbitrary s, t.
D. a = t, b= s, c = s, d = t, for arbitrary s, t.
Find all values of a, b, c, d such that
