state gov JSSC CGL Mock Test 2023 - 24 Quantitative Aptitude Algebra Identities

यदि \(\rm\left(\frac{2}{x}-\frac{3}{y}\right)=a\) और \(\rm xy=\frac{3}{b^2}\) है, तो 'a' एवं 'b' के पदों में \(\rm\frac{4}{x^2}+\frac{9}{y^2}\) का मान क्या है?

1
a2 + 4b2
2
a2 + 6b2
3
\(\rm a^2+\frac{b^2}{4}\)
4
\(\rm a^2+\frac{24}{b^2}\)
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