Question

15 - which of the following is true ?
(a) ab-a-b+1 = (1-a) (1-b)
(b) ab - a - b + 1 = (a-1) ( b-1)
(c) ab- a-b +1 = (1-a) (b- 1)
(d) ab- a-b + 1 = (a-1) (1-b) ​

Answer 1

Answer:

"1" (and any subsequent words) was ignored because we limit queries to 32 words.

Step-by-step explanation:

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