13,162,4,17,288,5,15,?,5
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Answer:
200
Step-by-step explanation:
13,162,4,17,288,5,15,?,5
13 , 162 , 4
13 - 4 = 9
9² = 81
81 * 2 = 162
17 , 288 , 5
17 - 5 = 12
12² = 144
144 * 2 = 288
15 , ? , 5
15 - 5 = 10
10² = 100
100 * 2 = 200
Rule here is there are triplets
in each triplets
a , b , c
b = 2 * (a - c)²
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