Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NDA 2017
Exam
NDA
Year
2017
Subject
Mathematics
Chapter
Basics of Mathematics

NDA 2017 · Mathematics · Basics of Mathematics

If |a| denotes the absolute value of an integer, then which of the...

If ∣a∣|\mathrm{a}| denotes the absolute value of an integer, then which of the following are correct? 1. ∣ab∣=∣a∣∣b∣2.|\mathrm{ab}|=|\mathrm{a}||\mathrm{b}| 2.|a+b| \leq|a|+|b|3.3.|a-b| \geq||a|-|b||Selectthecorrectanswerusingthecodegivenbelow.Select the correct answer using the code given below.

Options

  1. A11 and 22 only
  2. B22 and 33 only
  3. C11 and 33 only
  4. D1,21,2 and 33

Correct answer

D. 1,21,2 and 33

Step-by-step solution

All the given three options are correct
Practice Basics of Mathematics on Quantrex Academy →

More from Basics of Mathematics

All Basics of Mathematics questions Full Basics of Mathematics list Basics of Mathematics JEE Maths PYQsJEE Mathematics PYQs All NDA PYQs