state gov DSSSB Warder, Assistant Superintendent, Matron Mock Test 2024 Quantitative Aptitude Simplification Surds and Indices
\({\frac{{\; 4 }}{{\sqrt {7} + \sqrt{5}}}}\) + \({\frac{{\; \sqrt7 + \sqrt5 }}{{4}}}\) এর মান নির্ণয় করুন।
1
\({\frac{{\; 9√7 + 7√5 }}{{2}}}\)
2
\({\frac{{\; 9√7 - 7√5 }}{{2}}}\)
3
\({\frac{{\; 9√7 + 7√5 }}{{4}}}\)
4
\({\frac{{\; 9√7 - 7√5 }}{{4}}}\)