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timurjin [86]
3 years ago
5

The sum of three numbers of an AP is 12 and the sum of their cubes is 288 find the numbers.

Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Answer:

The numbers are 2 , 4 , 6 or 6 , 4 , 2

Step-by-step explanation:

For solution kindly refer to the attachment .

<u>Related</u><u> </u><u>Information</u><u> </u><u>:</u><u>-</u><u> </u>

• The sum of n terms of an AP is ,

=> S = n/2 [ 2a + ( n - 1 ) d ]

• The nth term of an AP is ,

=> T_n = a + ( n - 1 ) d

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Read 2 more answers
Graph the first six terms of a sequence where a1=5 and r=1.25
emmainna [20.7K]
The sequence above is geometric progression. 
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Tn = ar∧(n-1),
Where a⇒first term and
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So, 1st term = 5×1.25∧(1-1) = 5×1.25∧0 =5 
      2nd term = 5×1.25∧(2-1) = 5×1.25 = 6.25
      3rd term = 5×1.25∧(3-1) = 5×1.25² = 7.8125
       4th term = 5×1.25∧(4-1) =5×1.25³ = 9.765625
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