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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Sequences and Series

NDA 2011 · Mathematics · Sequences and Series

If a, b, c, d, e, f are in AP , then (e-c) is equal to which one of...

If a,b,c,d,e,fa, b, c, d, e, f are in AP , then (e−c)(e-c) is equal to which one of the following?

Options

  1. A2(c−a)2(c-a)
  2. B2(d−c)2(d-c)
  3. C2(f−d)2(f-d)
  4. D(d−c)(d-c)

Correct answer

B. 2(d−c)2(d-c)

Step-by-step solution

The correct answer is option B
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