InterviewSolution
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InterviewSolution
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Factorize : `a^(3) + b^(3) + 3ab -1`A. `(a + b-1) (a^(2) + b^(2) + a + b +1 -ab)`B. `(a +b -1) (a^(2) + b^(2) + a + b -1 + ab)`C. `(a +b -1) (a^(2) + b^(2) -a - b+ 1 + ab)`D. None of these |
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Answer» Correct Answer - A `a^(3) +b^(3) + 3ab -1` `= a^(3) +b^(3) + (-1)^(3) -3 . A. b(-1)` `= (a +b -1) (a^(2) +b^(2) +1 - ab + b +a)` |
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