Mathematics · JEE | SEQUENCES AND SERIES
हिन्दीMatch List-I with List-II: List-I List-II A General term of a G.P. (\( a_n \)) I \( \sqrt{ab} \) B Sum of first \( n \) terms of G.P. (\( S_n \) when \( r > 1 \)) II \( ar^{n-1} \) C Geometric Mean of \( a \) and \( b \) III \( \frac{a(r^n - 1)}{r - 1} \) D Relationship between A.M. and G.M. (\( A \ge G \)) IV \( A = \frac{a+b}{2} \) Choose the correct answer from the options given below:
Match List-I with List-II:
| List-I | List-II | ||
|---|---|---|---|
| A | General term of a G.P. (\( a_n \)) | I | \( \sqrt{ab} \) |
| B | Sum of first \( n \) terms of G.P. (\( S_n \) when \( r > 1 \)) | II | \( ar^{n-1} \) |
| C | Geometric Mean of \( a \) and \( b \) | III | \( \frac{a(r^n - 1)}{r - 1} \) |
| D | Relationship between A.M. and G.M. (\( A \ge G \)) | IV | \( A = \frac{a+b}{2} \) |
Choose the correct answer from the options given below:
View Answer & Solution
Correct answer · Option D
A-(II), B-(III), C-(I), D-(IV)
Explanation
Matching standard formulas: A matches II (\( ar^{n-1} \)), B matches III (\( \frac{a(r^n-1)}{r-1} \)), C matches I (\( \sqrt{ab} \)), and D matches IV (\( A = \frac{a+b}{2} \)).