defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Binomial Theorem Binomial Expansion
The coefficient of x2 in the expansion of \(\rm (4-5x^2)^{-1/2}\) is
1
\(\frac {5}{16}\)
2
\(\frac {-5}{16}\)
3
\(\frac {5}{12}\)
4
\(\frac {-5}{12}\)