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For given value of x, the number - 2/7, x, -7/2 are in G.P.? |
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Answer» If - 2/7, x , - 7/2 are in G.P. then, x2 = (-2/7)(-7/2) (By definition) ⇒ x2 = 1 ⇒ x = 1 ∴ x = 1 or x = - 1 x2=(-2/7)(-7/2) x=+1,-1. for x is equal to -1 or 1, Given numbers are in G.P. |
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