Multiple Choice Questions on If a denotes the absolute value of an integer then which of the following are correct I ab a b II a ........... for NDA Exam Preparation

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Multiple Choice Questions

If a denotes the absolute value of an integer then which of the following are correct I ab a b II a ...........

Mathematics (NDA) Algebra
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    If |a| denotes the absolute value of an integer, then which of the following are correct?

    I. |ab| = |a| |b|

    II. |a + b| \leq |a| + |b|

    III. |a – b| \geq | |a| - |b| |

    1 and 2 only

    Incorrect Answer

    2 and 3 only

    Incorrect Answer

    1 and 3 only

    Incorrect Answer

    1,2 and 3

    Correct Answer
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