Question

14 Given that the first term of a G.P. is 8 and the sum of the first three terms is 104 , find the possible values of the common ratio. In each case, write down the corresponding first three terms of the series. 15 Find the sum of the first eight terms if the sum of the 1 st and 4 th term of a G.P. is 52 , and the sum of the 2 nd and 5 th terms of the same G.P. is -156 . 16 The 1 st term of a G.P. exceeds the second term by 1 and the sum of the first three terms is \( 2 \frac{3}{5} \). If there are positive as well as negative terms in the G.P., find the sum of the first five terms.

          14 Given that the first term of a G.P. is 8 and the sum of the first three terms is 104 , find the possible values of the common ratio. In each case, write down the corresponding first three terms of the series.
15 Find the sum of the first eight terms if the sum of the 1 st and 4 th term of a G.P. is 52 , and the sum of the 2 nd and 5 th terms of the same G.P. is -156 .
16 The 1 st term of a G.P. exceeds the second term by 1 and the sum of the first three terms is \( 2 \frac{3}{5} \). If there are positive as well as negative terms in the G.P., find the sum of the first five terms.

14 Given that the first term of a G.P. is 8 and the sum of the first three terms is 104 , find the possible values of the common ratio. In each case, write down the corresponding first three terms of the series.
15 Find the sum of the first eight terms if the sum of the 1 st and 4 th term of a G.P. is 52 , and the sum of the 2 nd and 5 th terms of the same G.P. is -156 .
16 The 1 st term of a G.P. exceeds the second term by 1 and the sum of the first three terms is 2 (3)/(5). If there are positive as well as negative terms in the G.P., find the sum of the first five terms.

Added by Susan C.

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