NDA2011MathematicsSequences and SeriesActual
If a, b, c, d, e, f are in AP , then (e-c) is equal to which one of the following?
Options
- A2(c-a)
- B2(d-c)
- C2(f-d)
- D(d-c)
Correct answer
B. 2(d-c)
Step-by-step solution
The correct answer is option B