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What is the solution of the equation 3 x 52x-1 - 2 x 5x-1 = 0.2 ?(A) x = 5 (B) x = 1 (C) x = – 1 (D) x = 0 |
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Answer» (D) x = 0 Let 5x = y ∴ y = 1 or y = -1/3x ∴ 5x = 1 ⇒ x = 0 |
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