The first three terms of a GP are x + 10,x - 2&x-
10 respectively. The value of x& the common ratio
is
please tell me how to solve this
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Answer:
as the three terms are in GP series so
(x-2)/(x+10)=(x-10)/(x-2)
(x-2)(x-2)=(x+10)(x-10)
x^2-4x+4=x^2-100
-4x= -100-4= -104
x= -104/ -4=26
so the value of x is 26
the 1st term is 26+10=36
2nd term is 26-2=24
3rd term is 26-10=16
the common ratio is 24/36=2/3
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