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Find the a7 in a geometric sequence which begins with 6,___, 96

1 Answer

4 votes

Answer:

24576

Explanation:

first find the 2nd term, u1 *u3 r u2^2

hence u2 = 24

then find the common ratio

24/ 6 = 96/24 = 4

now complete the formula

6 * 4^(n-1)

now sub in 7 for n

you get 24576

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