engineering recuitment FSSAI Assistant Mock Test 2021 Quantitative Aptitude Ratio and Proportion Componendo or Dividendo
If \({\rm{x}} = \frac{{\sqrt {{\rm{a\;}} + {\rm{\;}}3{\rm{b}}} {\rm{\;}} + {\rm{\;}}\sqrt {{\rm{a}} - 3{\rm{b}}} }}{{\sqrt {{\rm{a\;}} + {\rm{\;}}3{\rm{b}}} - \sqrt {{\rm{a}} - 3{\rm{b}}} }}\) , then find the value of \(3{\rm{b}}{{\rm{x}}^2} - {\rm{\;}}2{\rm{ax\;}} + {\rm{\;}}3{\rm{b}} .\)
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