Same chapter3 marksDifficulty: Medium
The 2nd term of a geometric progression is 3 and the 5th term is 81. Find the first term and the common ratio.
Arithmetic and Geometric Progression
2 marksDifficulty: Medium
State the difference between an arithmetic progression and a geometric progression.
Original Khojo Papers practice question — not from a past board paper.
Answer
In an arithmetic progression each term is obtained by adding a fixed number, the common difference, to the term before it. In a geometric progression each term is obtained by multiplying the term before it by a fixed number, the common ratio.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
So 2, 5, 8, 11 is arithmetic while 2, 6, 18, 54 is geometric.
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