defence exam Assam Rifles Technical and Tradesmen 2022 Mock Test Quantitative Aptitude Algebra Identities
The value of \(\frac{{{{\left( {4.9} \right)}^2} - {{\left( {1.1} \right)}^2}}}{{4.9 \times 4.9 + 2.2 \times 4.9 + 1.1 \times 1.1}}\) is:
1
\(\frac{19}{30}\)
2
\(\frac{7}{10}\)
3
\(\frac{9}{15}\)
4
\(\frac{2}{3}\)