Progression (Sequence and Series)Hard
Question
Let the sequence a1, a2, a3, ......, an form an A.P., then a12 − a22 + a32 − a42 + ...... + a2n−12 − a2n2 is equal to -
Options
A.
(a12 − a2n2)
(a12 − a2n2)B.
(a2n2 − a12)
(a2n2 − a12)C.
(a12 + a2n2)
(a12 + a2n2)D.None of these
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