Progression (Sequence and Series)Hard

Question

Let the sequence a₁, a₂, a₃, ......, an form an A.P., then a₁² − a₂² + a₃² − a₄² + ...... + a_2n−1² − a_2n² is equal to -

Options

A.(a₁² − a_2n²)

B.(a_2n² − a₁²)

C.(a₁² + a_2n²)

D.None of these

Solution

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