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If |a| denotes the absolute value of an ...

` If `|a|` denotes the absolute value of an integar , then which of the following are correct ? `|ab| = | a | | b |` 2. `|a + b | le |a| + | b|` 3. `|a-b| ge |a| - |b | |` Select the correct answer using the code given below.

A

1 and 2 only

B

2 and 3 only

C

1 and 3 only

D

1,2 and 3

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The correct Answer is:
D

All the given three options are correct.
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NDA PREVIOUS YEARS-POLYNOMIAL,QUADRATIC EQUATION & INEQUALITIES-Math
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