Mathematics · Algebra
Select the correct algebraic identity from the options below.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ab - a - b + 1 = (a - 1)(1 - b)
- 2ab - a - b + 1 = (1 - a)(b - 1)
- 3ab + a - b + 1 = (1 - a)(1 - b)(1 - a)(1 + b)
- 4ab - a - b + 1 = (a - 1)(b - 1)✓
Correct answer
ab - a - b + 1 = (a - 1)(b - 1)
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