defence exam Indian Coast Guard Assistant Commandant (GD/CPL) 2025 Test Series Mathematics Sequences and Series Arithmetic Progressions
\((a + b + c) \left ( \dfrac{1}{a} + \dfrac{1}{b} + \dfrac{1}{c} \right)\) is:
1
Less than or equal to 9
2
Less than or equal to 3
3
Greater than or equal to 9
4
Greater than or equal to 3