What is the positive value of x if x, 6, x-5 are terms of a geometric progression?

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aruv | High School Teacher | (Level 2) Valedictorian

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`x , 6 , x-5`  are in geometric progression.So by def of geometric progresson


cross multiply

`6xx6=x xx(x-5)`







`x-9=0 `




Since  x is positive therefore   x=9

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