state gov AP Police SI (Pre+Mains) Mock Test 2022 Quantitative Aptitude Number System Rational or Irrational Numbers
Find the greatest of the following numbers:
\(\sqrt 5 - \sqrt 3 ,\sqrt 7 - \sqrt 5 ,\sqrt 9 - \sqrt 7 ,\sqrt {11} - \sqrt 9 \)
1
\(\sqrt 5 - \sqrt 3 \)
2
\(\sqrt 7 - \sqrt 5 \)
3
\(\sqrt {11} - \sqrt 9 \)
4
\(\sqrt 9 - \sqrt 7 \)