If a = 1, b = 0, c = -1 then the expression (a - c) - (a + b) + ab will be _____?
- 2
- 3
- 1
- None of these
Explanation
Substitute the given values:
a = 1, b = 0, c = -1
Now, evaluate the expression:
(a - c) - (a + b) + ab
= (1 - (-1)) - (1 + 0) + 1(0)
= (1 + 1) - 1 + 0
= 2 - 1
= 1
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