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Mark the correct alternative in each of the following:The factors of a2 − 1 − 2x − x2 are(a) (a − x + 1) (a − x − 1)(b) (a + x − 1) (a − x + 1)(c) (a + x +1) (a − x + 1)(d) none of these |
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Answer» Mark the correct alternative in each of the following: The factors of a2 − 1 − 2x − x2 are (a) (a − x + 1) (a − x − 1) (b) (a + x − 1) (a − x + 1) (c) (a + x +1) (a − x + 1) (d) none of these |
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