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If a,b,c are in AP and a,b,d are in GP, show that a, (a-b) and (d-c) are in GP.

If a,b,c are in AP and a,b,d are in GP, show that a, (a-b) and (d-c) are in GP.

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
6 years ago
Hii it’s very easy just find out the first term and common difference of Ap. Similarly, find out the common ratio . Once you have it try to make out that the given three terms form a GP .
You will have your answer.

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