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amm1812
3 years ago
14

The term-to term of the sequence is

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
8 0

It is given that the third terms is obtained by multiplying the second term by 2 and then adding 3:

a_3 = 2a_2+3

Since the third term is 17, we have

17=2a_2+3 \iff 2a_2=14\iff a_2=7

And then again, the second term is obtained by multiplying the first one by 2 and then adding three:

a_2 = 7 = 2a_1+3

Solve this equation for a_1 and you'll get the answer

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