If | a | denotes the absolute value of an integer, then which of the following are correct? 1. | ab |=| a || b | 2. |a+b| |a|+|b| 3. |a-b| ||a|-|b|| Select the correct answer using the code given below.

Question

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Correct answer: D. 1,2 and 3

All the given three options are correct

If | a | denotes the absolute value of an integer, then which of the following are correct? 1. | ab |=| a || b | 2. |a+b| |a|+|b| 3. |a-b| ||a|-|b|| Select the correct answer using the code given below.

Options

Correct answer

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