+ a =? 12. 1 + 1 =? (n - 1 plus a (m - n)
A. 0
B. 1/2
C. 1
D. am + n
Answer:C
+ a =? 12. 1 + 1 =? (n - 1 plus a (m - n)
A. 0 B. 1/2 C. 1 D. am + n
Explanation: 1+1+=1 + 1,1 plus an am,am a plus one,1 plus a (n - m),1 + a(m - n) = am + a (am + an) (am + an) = 1