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Insert three geometric means between −1 and −181. Give all possible answers.
in Mathematics by Diamond (61,678 points) | 43 views

1 Answer

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Let the 3 geometric be a2, a3, and a4 respectively,

seq = -1; a2; a3; a4; -181

to find r, an = ar^(n-1)

                  a5 = -r^4 = -181

                            r^4 = 181

                               r = 4throot(181)

Therefore a2 = -(4throot(181))

                a3 = -(4throot(181))^2

                a4 = -(4throot(181))^3
by Diamond (42,394 points)

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