SSC Delhi Police Head Constable (Ministerial) 2025 Mock Test (New) Quantitative Aptitude Algebra Identities
Let a + b = 1, then the value of (\(\frac{1}{a^2} + \frac{1}{b^2} + \frac{2}{ab}\)) is:
1
\(\dfrac{1}{a^2 b^2}\)
2
\(\dfrac{1}{ab}\)
3
\(\dfrac{1}{a^2 b}\)
4
\(\dfrac{1}{ab^2}\)