If the 5th term of a gp is 16 and the 10th term is 1/2 then the 15th term is???
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Answered by
1
Answer:
-759
Step-by-step explanation:
- a + 4d = 16_______(1)
- a + 9d = 1/2_______(2)
- 1-2
- -5d = 31/2
- d = - 155/2
- a + 4×-155/2 = 16
- a + -310 = 16
- a = 326
- a + 14d = 326 + 14 × -155/2
- 326 + 7× -155
- 326 + -1085 = - 759
Answered by
12
Answer:
1/64
Step-by-step explanation:
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