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The numbers 3, x, and x + 6 form are in G.P. Find x

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प्रश्न

The numbers 3, x, and x + 6 form are in G.P. Find x

बेरीज
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उत्तर

The numbers 3, x, and x + 6 are in G.P.

∴ `"x"/3 = ("x" + 6)/"x"`

∴ x2 = 3x + 18

∴ x2 – 3x – 18 = 0

∴ (x – 6)(x + 3) = 0

∴ x – 6 = 0 or x + 3 = 0

∴ x = 6 or x = – 3

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पाठ 2: Sequences and Series - Exercise 2.1 [पृष्ठ २८]

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