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The angles A, B, C of a ∆ABC are in AP and the sides a, b, c are in G.P. If a2 + c2 = λb2, then λ = ____________. |
| Answer» The angles A, B, C of a ∆ABC are in AP and the sides a, b, c are in G.P. If a2 + c2 = λb2, then λ = ____________. | |