NCERT Miscellaneous Exercise Q6 - Sequences and Series

Question: If (a + bx)/(a − bx) = (b + cx)/(b − cx) = (c + dx)/(c − dx), where x ≠ 0, show that a, b, c and d are in GP.

Answer: b/a = c/b = d/c; therefore a, b, c, d are in GP.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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