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If the roots of the interval form an increasing GP then b belongs to the interval a)(-3, infinity) b)(- infinity, -3) c)(-1 ,infinity) d)(- infinity , -1) The given answer is b) but my answer came union of b) and (1, infinity). Why can’t b be an element of (1,infinity)

If the roots of the interval form an increasing GP then b belongs to the interval 
a)(-3, infinity)
b)(- infinity, -3)
c)(-1 ,infinity)
d)(- infinity , -1)
The given answer is b) but my answer came union of b) and (1, infinity).
Why can’t b be an element of (1,infinity)

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1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
Question is not clear 
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Cheers 

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