defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Sequences and Series Arithmetic Progressions
If a, b > 0, then the maximum value of \(\dfrac{a^3b}{(a + b)^4}\)is:
1
\(\dfrac{27}{512}\)
2
\(\dfrac{81}{256}\)
3
\(\dfrac{81}{512}\)
4
\(\dfrac{27}{256}\)