If the pattern below is continued, find the 8th fraction in this sequence:
1/2 , 2/3, 3/5 , 5/8;
a. 21/34
b. 12/36
c. 34/55
d. 13/21
an=an−1+an−2bn=bn−1+bn−2a_n = a_{n-1}+a_{n-2} \\ b_n = b_{n-1}+b_{n-2}an=an−1+an−2bn=bn−1+bn−2
a/b
1/2, 2/3, 3/5, 5/8, 8/13, 13/21, 21/34, 34/55
Answer: 34/55
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