there's consecutive terms of a geometric progression are x, 4 and x+6. Find the possible values of x.
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Answer:
hence x=2 or -8
Step-by-step explanation:
x, 4 and x+6 are in Gp
so 4/x=x+6/4
x(x+6)=4*4
x2+6x-16=0
x2+8x-2x-16=0
x(x+8)-2(x+8)=0
(x+8)(x-2)=0
x=2 or -8
if x=2 then no are:
2,4,2+6 or 2,4,8
if x=-8 then no are
-8,4 and -8+6 or -8,4,-2
hence x=2 or -8
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